54 results about "Normal heart rate" patented technology

A software app for a mobile device is disclosed for alerting a custodian of a person to be protected of an emergency situation involving the person to be protected. The app includes software instructions for carrying out a method including: establishing a range of normal heart rates for the person using a heart rate monitor; detecting a heart rate for the person that is outside of the established range; activating at least one of a camera, a microphone, an accelerometer, and a location indicator on the mobile device carried by the person; establishing a wireless data connection between the mobile device and a communication network; and transmitting data to the custodian from the activated camera, microphone, accelerometer, or location indicator via the communication network. The app can notify a custodian of a medical or safety emergency as it is happening, giving that custodian the ability to immediately notify emergency personnel.

A software app for a mobile device is disclosed for alerting a custodian of a person to be protected of an emergency situation involving the person to be protected. The app includes software instructions for carrying out a method including: establishing a range of normal heart rates for the person using a heart rate monitor; detecting a heart rate for the person that is outside of the established range; activating at least one of a camera, a microphone, an accelerometer, and a location indicator on the mobile device carried by the person; establishing a wireless data connection between the mobile device and a communication network; and transmitting data to the custodian from the activated camera, microphone, accelerometer, or location indicator via the communication network. The app can notify a custodian of a medical or safety emergency as it is happening, giving that custodian the ability to immediately notify emergency personnel.

The invention relates to a wearable heart rhythm monitoring device. The wearable heart rhythm monitoring device comprises a processor, as well as a heart rate sensor, a motion sensor, at least two electrocardioelectrodes, a storage and an electrocardiogram recording module which communicate with the processor, wherein the processor comprises an average heart rate computation module, a normal heart rate variation range computation module, a heart rate classification module and a rapid heart rate motion check module; the storage is used for receiving and storing data information. The wearable heart rhythm monitoring device can be worn by a user for a long time, and the daily life of the user is not influenced; meanwhile, the monitoring device carries out monitoring from the point of view of medical science, can collect all key data including the heart rate, the motion, the electrocardiogram and the oxygen saturation relevant to the arrhythmia, and can automatically monitor and record the arrhythmia incident found in the heart rate monitoring process; the monitoring device automatically analyzes each heartbeat from many dimensions, and accurately classifies the heartbeats, and thus various potential arrhythmia problems are found.

The embodiments of the invention disclose a method and an apparatus for monitoring whether a person's heart rate is normal, and relates to the technical field of remote monitoring. The method and apparatus of the invention can know body conditions of the person to be monitored on time. The method comprises: receiving heart rate value of the person to be monitored, the heart rate value being real-time recorded by a wearable device wore by the person to be monitored and being transmitted wirelessly; comparing the heart rate value received with the obtained in advanced and stored normal heart rate value or normal heart rate value range of the person to be monitored; and alerting the monitor if the received heart rate value is higher or lower than the normal heart rate value or normal heart rate value range preset threshold value of the person to be monitored. The apparatus comprises modules for executing the steps of the aforementioned method. The method and apparatus of the invention serve to monitor heart rate conditions of the person to be monitored, such as the old at home.

A cardiac rhythm management system provides both a safe maximum pacing rate limit and a physiological maximum pacing rate limit. The present subject matter provides a solution to problems associated with the use of a single maximum tracking rate (MTR). In one embodiment, the present subject matter utilizes two MTRs, where the first is a normal MTR and the second is a hysteresis MTR. In one embodiment, the hysteresis MTR is set higher than the normal MTR. The hysteresis MTR functions as a maximum pacing rate limit while tracking an atrial rate until the atrial rate exceeds the hysteresis MTR limit. When the atrial rate exceeds the hysteresis MTR limit, the maximum pacing rate limit is set to the normal MTR. Once the atrial rate falls below a predetermined threshold, the maximum pacing rate limit is set to the hysteresis MTR. The predetermined threshold may be set to the normal MTR, the hysteresis MTR, or other rates. In one embodiment, changing the maximum pacing rate limit in this fashion allows for uninterrupted pacing treatment for patients, such as congestive heart failure (CHF) patients, who may display fast but physiologically normal heart rates and need cardiac resynchronization therapy (CRT) at such fast heart rates. Such a pacing treatment provides for a more rapid and natural maximum pacing rate limit for the patient, while still protecting the patient from being paced at abnormally high rates.

A real-time electrocardiosignal monitoring and processing method comprises the following steps of (1) acquiring electrocardiosignals, and filtering the electrocardiosignals; (2) calculating the real-time heart rate every second; (3) diagnosing real-time arrhythmia every second; (4) detecting heartbeat information every second, wherein the heartbeat information includes the heartbeat number, the location, the heartbeat type and the RR interval; (5) After recording, keeping statistics of the average heart rate, the highest heart rate, the lowest heart rate, the proportion of over-high heart rate, the proportion of pretty high heart rate, the proportion of normal heart rate, the proportion of pretty low heart rate, and the proportion of over-low heart rate. By the adoption of the method, signal filtration, real-time heart rate calculation, real-time arrhythmia diagnosis and the like can be conducted during electrocardiosignals acquisition, and monitoring data can be transmitted to a doctor remotely and wirelessly, so as to facilitate timely diagnosis and treatment of diseases by doctors.

The invention discloses a video learning reminding method and system and a control signal sending method and system. The video learning reminding method comprises the steps of: playing a study video; when detecting that a heart rate of a user is lower than a preset threshold by a smart band, increasing a play volume of the study video, and retarding a play speed of the study video; and when detecting that the heart rate of the user is recovered to a normal heart rate range by the smart band, recovering the play volume of the study video, and recovering the play speed of the study video. According to the video learning reminding method and system and the control signal sending method and system, which are disclosed by the invention, by detecting the heart rate of the user, the play volume and the play speed of the study video are timely regulated according to the heart rate of the user, so that the user is assisted in efficiently carrying out video learning, and the problems of easiness for distraction and low efficiency in the video learning process of the user are solved.

This invention relates to non-invasive monitoring devices, in monitoring minute movements made by the body to report the presence or absence of respiration and normal heart rate. The movements being measured are the pulsations made by the normal operation of both the heart and lungs. This is accomplished by converting the body movements into electrical signals with an adapted polymorph-piezoelectric transducer. The electrical signal that is detected is a mixed signal, a signal composed of a lower frequency (breathing contraction) and the higher frequency (heart pulse). The signals are detected by separating the body motions by an adaptive filter that has a break frequency at twice the frequency of the larger body movement signal (breathing contraction).The separate body movement signals operate with associated logic circuitry to allow each signal to be independently measured, recorded, and acted upon to determine if the individual (patient) is undergoing a life threatening experience. Such an event by either signal will trigger an audio and visual display alarm which is attached on or near the patient. The alarm event trigger is also connected to a low voltage detector circuit to indicate that the supply voltage has dropped below an acceptable level.

The invention relates to an examination anti-cheating system. The examination anti-cheating system comprises a wristband worn on an examinee's wrist, a monitoring system and an induction system disposed at an examination room entrance; the wristband is provided with an identity information moduel for distinguishing an identity of an examinee, a first wireless module in communication with the monitoring system and a heart rate detection module for detecting a heart rate change of the examinee; the induction system comprises an identity recognition module for recognizing the identity information module, a second wireless module in communication with the monitoring system;the monitoring system comprises a monitoring camera, a third wireless module in communication with the first and second wireless modules, a processor for processing a message, a heart rate monitoring module, a control module for controlling rotation of the monitoring camera and an examinee information database; and the heart rate monitoring module is used to monitor examinee's heart rate change information sent by the heart rate detection module in real time, and, when the heart rate of one examinee exceeds a normal heart rate change scope, the monitoring camera is rotated through the control module and then perform intensive monitoring for the examinee.

Provided are an intelligent communication terminal, an intelligent communication bracelet and a control method. The intelligent communication terminal comprises a heart rate sensor used for measuringthe heart rate of a driver during driving, and a control unit used for judging whether an emergency braking implementing command is sent or not according to the heart rate measuring result of the heart rate sensor. When the heart rate measuring result is beyond the normal heart rate range, the control unit sends the emergency braking implementing command and further sends an alarm command to a communication network. The control unit sends the emergency braking command to stop a vehicle from running, the probability of occurrence of traffic accidents can be reduced to the greatest extent, and the loss is reduced; and by sending the alarm command to the communication network, others can be informed of the condition of the driver in time, and timely rescue is ensured.

The embodiments of the invention disclose a method and an apparatus for monitoring a person's heart rate conditions, and relate to the field of monitoring technology, and can know the heart rate conditions of a person to be monitored. The method comprises: receiving a heart rate value of the person to be monitored when he or she is having a blind date, the heart rate value being real-time recorded by a wearable device wore by the person to be monitored and transmitted wirelessly; based on the received heart rate value, drawing and displaying a heart rate curve of the person to be monitored when he or she is having a blind date, and comparing the received heart rate value with obtained in advance and stored normal heart value or normal heart rate value range of the person to be monitored; and if the received heart rate value is more than the normal heart rate value or normal heart rate value range preset threshold value of the person to be monitored, displaying a prompt message. The apparatus includes modules for executing the aforementioned steps. The method and apparatus of the invention are suitable for monitoring heart rates of persons who join blind date activities.

The invention discloses an intelligent alarm monitor based on image processing. The intelligent alarm monitor comprises a monitor body which is provided with a spherical shell; two micro cameras, a heart rate monitoring sensor, a storage card, an image analyzing and processing unit and a Bluetooth module which are positioned in the spherical shell; and a user terminal for remotely monitoring the monitor body via the Bluetooth module, wherein one micro camera is sequentially connected with a figure image collection unit and a figure image input unit, while the other micro camera is sequentially connected with a GPRS map collection unit, a GPS map input unit, a distance measurement device and a safe distance input unit; an output end of the heart rate monitoring sensor is sequentially connected with a heart rate output unit and a normal heart rate range input unit; an output end of the image analyzing and processing unit is sequentially connected with an intelligent alarm module and an autodialing device; and a contact number input unit is arranged at an input end of the autodialing device. The intelligent alarm monitor based on image processing can receive information such as a heart rate and a location of a target person in real time, and thus the personal safety is ensured.

The invention discloses an examination room anti-cheating monitoring system. The system comprises intelligent wearing equipment, a camera shooting module, a positioning module and a monitoring module.The intelligent wearing equipment and the camera shooting module are connected with the positioning module and the monitoring module respectively through a communication module; the intelligent wearing equipment comprises an intelligent bracelet, an information input module, an identity verification module, a basic information matching module, a student information unit, a heart rate detection module and a data comparison unit; the camera shooting module comprises a spherical camera, an all-directional rotary pan-tilt, a sound pick-up, an infrared sensor, a decoder, a video storage server anda pan-tilt adjusting unit which are sequentially connected. The system has the advantages that the reliability and the positioning precision are relatively high, and an operator can be identified anddynamically positioned; in addition, in general, the heart rate of an examinee can be changed beyond the normal heart rate range during cheating, and the anti-cheating effect is good; meanwhile, theworkload of a monitoring worker is reduced.

The invention discloses a wheelchair with an oxygen preparation function. The wheelchair comprises a frame and tires arranged at the bottom of the frame, wherein a spring cushion is arranged on the base of the frame; a molecular sieve type oxygen generator is arranged at the bottom of the frame; a controller is arranged on the backrest of the frame and is connected with the molecular sieve type oxygen generator; an air duct is arranged at the upper part of the controller; and a storage battery is arranged inside the controller and connected with the molecular sieve type oxygen generator. According to the wheelchair, oxygen can be supplied by the molecular sieve type oxygen generator to patients who require constant pure oxygen supply in outdoor activities, and travelling activities of the patients can be greatly favored by the wheelchair capable of generating oxygen in a mobile manner since the patients are not convenient in activities only because of pure oxygen uptake requirement; and a probable heart rate value can be provided to a user in real time due to the heart rate sensor arranged on the handrail, and the user can adjust the activity state to reach the normal heart rate value.

The invention provides a vehicle control method and system and a vehicle. The method comprises the following steps that in the vehicle driving process, the heart rate of a driver is detected; whether the heart rate of the driver is in the normal heart rate range of the driver or not is judged; if the heart rate of the driver is not in the normal heart rate range of the driver, the heart rate deviation value between the heart rate of the driver and the normal heart rate range of the driver is further obtained; and according to the heart rate deviation value, the vehicle is controlled for alarming or braking. According to the vehicle control method in the embodiment, the traffic safety can be effectively improved, and traffic accidents are reduced or even avoided.

The invention discloses an electrocardiogram machine real time heart rate calculating method based on an android system; the method is characterized by comprising the following steps: 1, using an electrocardio calculation module to obtain R waves from lead data sent by a lead module; 2, using the electrocardio calculation module to find the peak value and threshold value of the R waves; 3, comparing the R wave value with the calculated threshold value, if the R wave value is bigger than the threshold value, the R wave value is labeled as the maximum value and an index position of the R wave value is recorded. The method can successfully apply the heart rate calculation into the android system without adding extra hardware; the software algorithm can accurately and fast calculate the heart rate. The method can calculate the normal heart rate within 2 seconds, thus greatly reducing calculation time when compared with a conventional method, ensuring the heart rate instantaneity, and providing important medical references on many heart diseases needing to know the heart rate real time changes.

The invention relates to a method for accurately measuring blood pressure, which comprises the following steps that: A) monitoring is started to obtain electrocardiogram signals to judge whether the electrocardiogram signals are normal, step C) is implemented if the electrocardiogram signals are normal, an step B) is implemented if the electrocardiogram signals are abnormal; B) the electrocardiogram signals are continuously monitored, the time of the most normal heart rate of the electrocardiogram signals is used as reference time and the blood pressure measurement is implemented when the electrocardiogram signals are abnormal; and C) the electrocardiogram signals are continuously monitored and the blood pressure measurement is implemented when the electrocardiogram signals are normal. The invention additionally relates to a device for accurately measuring blood pressure. By implementing the method and the device for accurately measuring blood pressure, the invention has the advantages that: since the electrocardiogram monitoring part is organically combined with the blood pressure measuring part, the blood pressure data is obtained starting from the time of the most normal heart rate when the heart rate is abnormal, so accurate blood pressure can be obtained even though the heart rate of the person to be measured is abnormal.

The invention discloses an automobile anti-theft and positioning tracking system based on intelligent recognition and big data, and the system mainly comprises a first identity recognition system which stores the face recognition information and fingerprint information of a plurality of persons authorized by an automobile owner, and enables an automobile to be started normally when the driver information of a driver seat accords with the storage information of a driver information base; if not, the automobile is not started to generate first alarm information; a second identity recognition system which comprises a heart rate monitoring module and an eye movement recognition module, and second alarm information is generated when the eye movement conforms to the eye movement information or the heart rate is monitored to deviate from the normal heart rate of the driver; an urban traffic supervision system, which tracks, shoots and positions, and sends third alarm information to a trackingexecution module based on a monitoring camera device, a positioning device and a monitoring module of an urban traffic network, the tracking execution module automatically matches an on-duty policeman closest to the position of the automobile to track and investigate the automobile, and the tracking task executor feeds back a tracking investigation result to the tracking execution module.

The invention relates to the technical field of smart bracelets and discloses a smart bracelet and a method for preventing heart attack based on the smart bracelet.The smart bracelet is internally provided with heart rate sensors and medicine storage boxes for storing medicine. The method for preventing the heart attack based on the smart bracelet includes the following steps of setting a normal heart rate value range; monitoring the heart rate of a wearer in real time; when the heart rate of the wearer exceeds the normal heart rate value range, ejecting out the medicine storage boxes and triggering a prompt alarm. According to the method, bad heart rate situations of the wearer can be found out in advance, the medicine is provided in time, the wearer is reminded to take the medicine, andcorrespondingly a prevention and treatment effect on heart diseases in advance is achieved. Therefore, by means of the method, timely prompt and treatment can be conducted before the heart attach of the wearer, and correspondingly the safety and health of patients suffering from heart diseases can be ensured.

The invention relates to a safety protection wristband for electric shock emergency. The wristband is characterized by comprising a wristband body and a wrist strap used for being connected with the wristband body for achieving wearing; the bracelet wristband body comprises a signal acquisition module, a filtering and amplifying circuit, an A / D conversion module, a central processing unit, an alarm module, an emergency trigger unit, and a power supply module providing electricity to the units; the signal acquisition module is used for inputting acquired signals to the central processing unit through the filtering and amplifying circuit and the A / D conversion module in sequence; and the central processing unit is connected with the alarm module and the emergency trigger unit, so that when the central processing unit judges that the heart rate data of a wearer changes suddenly or the gradual change range exceeds a normal heart rate range, the alarm module sends an alarm signal to start asound alarm and triggers the emergency trigger unit to work. The heart rate state of an operator can be collected and monitored in real time, heart rate abnormity can be rapidly judged, and alarmingand emergency protection are conducted in time, so that whole-process tracking of physical conditions of operators in an operation process is achieved, and the safety guarantee coefficient of the operator is increased.

The invention provides a real-time monitoring system for fatigue driving. The real-time monitoring system is used for monitoring the driving state of a driver in real time; the real-time monitoring system is characterized by comprising a storage part, a data collection part, a data processing part, a judgement part and a waning part; the normal heart rate range and normal blood pressure range of the driver are stored in the storage part; the data collection part collects a current heart rate signal and a current blood pressure signal of the driver; the data processing part processes the current heart rate signal and the current blood pressure signal to obtain an effective heart rate signal and an effective blood pressure signal; the judgement part judges whether or not the effective heart rate signal and the effective blood pressure signal are within the normal heart rate range and the normal blood pressure range; if not, the warning part conducts warning. According to the real-time monitoring system for fatigue driving, the current heart rate signal and the current blood pressure signal of the driver are collected through the data collection part, the driving state of the driver is judged, and the warning part can conduct corresponding warning on the driver according to the result of the judgement part so as to ensure safe driving of the driver.

The invention relates to the technical field of artificial intelligence, in particular to a personnel management and control method and system based on machine learning, and the method comprises the steps: obtaining productivity expected values of a production line in different preset time periods, obtaining a productivity sequence, inputting the productivity sequence into a line speed prediction network, and predicting the real-time line speed of the production line in the next time period; the line speed of the production line is adjusted to the real-time line speed, the real-time personal heart rate sequence and the historical heart rate sequence of each operator on the production line are collected, and the historical heart rate sequence comprises at least two normal heart rate sequences and at least two abnormal heart rate sequences; and calculating similar distances between the real-time personal heart rate sequence and the normal heart rate sequences and between the real-time personal heart rate sequence and the abnormal heart rate sequences, comparing and calculating the plurality of similar distances to judge whether the real-time personal heart rate sequence is in a normal operation state, and maintaining the real-time linear speed when the real-time personal heart rate sequence is in the normal operation state. According to the method, the verification time waste is avoided by utilizing machine learning, and the purpose of accurately predicting the line speed is effectively realized.

The invention discloses an identity verification method and equipment, and a storage medium. The method comprises steps that user face images are acquired; when a user of the user face images is detected to be legal, a normal heart rate of the user having the user face images can be detected, and verification of the user passes. The method is advantaged in that face identification and video heart rate detection are integrated, the user is determined to be the legal user through detecting face characteristics, the user is detected to have the reasonable heart rate, verification passes, so resistivity to identity identification interference means including pictures and masks can be substantially improved.

The invention discloses a new application of azafrin, and the new application means using the azafrin or pharmaceutically acceptable salt or ester as an active component to prepare medicines or health-care foods for preventing or / and treating a cardiovascular disease. The experimental results show that the azafrin is capable of obviously alleviating a myocardial injury caused by H2O2 (Hydrogen Peroxide) and being free of injury and toxicity on myocardial cells; and the azafrin is capable of significantly improving the function of cardiac contractility while myocardial ischemia happens, maintaining the heart rate of acute myocardial infarction after being molded, increasing the activity of serum SOD (Super Oxygen Dehydrogenises), inhibiting MDA (Methane Dicarboxylic Aldehyde) and TnI (Troponin), increasing the coronary flow, and maintaining an oxygen supply for myocardium, thereby maintaining a normal heart rate of the heart and improving the myocardial function; therefore, the azafrintaken as the active component is expected to be developed to be the medicines for preventing or / and treating the cardiovascular disease, in particular to the cardiovascular disease relative to myocardial ischemia, thereby being important for a research and an application of the azafrin.

The invention relates to a device for accurately measuring blood pressure, which comprises a blood pressure measuring module, also comprises: an electrocardiogram detection module for obtaining an electrocardiogram signal during the whole measuring process; a judgment selection device for judging whether the electrocardiogram signal obtained from the electrocardiogram detection module to be normal or not, and selecting a blood pressure measuring unit of a normal electrocardiogram detection unit or the blood pressure measuring unit of an abnormal electrocardiogram detection signal arranged in the blood pressure measuring module to measure the blood pressure according to the result. By implementing the method and the device for accurately measuring blood pressure, the invention has the advantages that: since the electrocardiogram monitoring part is organically combined with the blood pressure measuring part, the blood pressure data is obtained starting from the time of the most normal heart rate when the heart rate is abnormal, so accurate blood pressure can be obtained even though the heart rate of the person to be measured is abnormal.

The invention discloses a wheelchair having a heating function. The wheelchair comprises a frame and a driving device arranged at the bottom of the frame, wherein a spring cushion is arranged at the bottom of the frame, an electric heating wire is arranged in the spring cushion and is connected with an electric heating device at the bottom of the frame. The wheelchair can effectively provide a user with warm and comfort by being provided with the electric heating device, and accordingly the discomfort of the user due to low temperature in severe winter season when the user touches the wheelchair is avoided. The practicability is improved. A probableheart rate value can be provided for the user in real time by arranging a heart rate sensor on an armrest, so that the user can conveniently reach a normal heart rate value by adjusting his / her active state.

The invention discloses a wheelchair provided with an active positioning device. The wheelchair comprises a frame and a drive device arranged on the bottom of the frame, wherein a spring cushion is arranged at the lower part of the frame, a storage board is arranged on the bottom of the frame, and the active positioning device is arranged at a backrest of the frame. For the wheelchair, the arranged active positioning device can receive the positioning information of the Beidou satellite in real time, then, through a GSM communication device, the positioning information is transmitted to the GSM terminal of a family member or a nursing attendant in real time, so that the phenomenon that the user gets lost is prevented; through a heart rate sensor arranged on an armrest, the probable heart rate value is provided for the user in real time, so that the user can conveniently adjust the activity state, and further, the normal heart rate value is achieved.

The invention relates to a song recommendation method and device, an electronic device and a machine readable storage medium. The song recommendation method comprises the steps of obtaining a real-time heart rate of a user in a song listening process; and determining songs recommended to the user based on the real-time heart rate. According to the embodiment of the invention, the real-time heart rate of the user in the listening process is acquired, and then the song recommended to the user is determined based on the real-time heart rate, so that the user can be kept at the current heart ratelevel, or the current heart rate level is adjusted to the normal heart rate level. In other words, by recommending different songs, the heart rate and mood of the user listening to the songs can be guaranteed, and the listening experience can be improved.

The invention provides a human health monitoring device and system of automobiles. The device includes a steering wheel and a combined instrument; the steering wheel is provided with a sensor and a vibrator; the combined instrument is provided with a controller and a display; the sensor is used for collecting current human parameter information, and the current human parameter information includescurrent blood pressure and a current heart rate; the controller is used for comparing the current blood pressure with a normal blood pressure threshold value to obtain a first comparison result, comparing the current heart rate with a normal heart rate threshold value to obtain a second comparison result and controlling an automobile control system or the vibrator according to the first comparison result and the second comparison result; and the display is used for displaying the current blood pressure, the current heart rate, the first comparison result and the second comparison result. Theautomobile control system at least includes an ECU and a brake controller and can monitor the blood pressure and heart rate of a driver in real time, so that corresponding measures can be adopted in the case that the abnormity of the body of the driver occurs, and therefore, the safety of driving can be enhanced.

The invention discloses a quality testing method dynamic test phantom simulating cardiovascular motion for quality evaluation of CT imaging, and its control principle and quality testing method. The dynamic test phantom includes: a control system, an electric cylinder unit, a piston pump unit, a fluid circuit unit and a cardiovascular phantom; the control system includes a control box and a control PC, wherein the control box includes a PLC control system and an electrocardiogram generator, and the PLC control system is connected with the control PC and the electrocardiogram generator respectively; the electric cylinder unit includes an electric cylinder drive unit and an electric cylinder transmission unit, wherein the electric cylinder drive unit is connected with the PLC control system, and the electric cylinder transmission unit is connected with the electric cylinder drive unit; the piston pump unit is connected with the electric cylinder transmission unit; the fluid circuit unit includes a fluid confluence module and fluid pipelines, which are connected with the piston pump unit and the cardiovascular phantom respectively; and the cardiovascular phantom includes a ventricular phantom, coronary artery phantoms and a water tank. The dynamic test phantom according to the invention can simulate ventricular strokes and multiple motion phases, and has standard models of normal heart rate, arrhythmis, coronary artery stenosis, etc.