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System, method and apparatus for detecting a cardiac event

A heart, event technology, used in applications, electrocardiography, bioelectrical signal measurement, etc.

Active Publication Date: 2007-12-05
泰・川・阿尔弗雷德・克维克 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Second, viable myocardium within critically perfused areas may underlie lethal arrhythmias

Method used

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  • System, method and apparatus for detecting a cardiac event
  • System, method and apparatus for detecting a cardiac event
  • System, method and apparatus for detecting a cardiac event

Examples

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Embodiment Construction

[0032] Description of the preferred embodiment

[0033] In order to better understand the preferred embodiments of the present invention, the present invention provides additional information on electrocardiogram (ECG) background and nomenclature. The ECG is the experiment that reveals more about the heart rhythm, the size / function of the heart chambers and myocardium. An electrocardiogram of a healthy heart shows an expected pattern. As the condition of the heart changes, there will be corresponding discernible changes on the ECG. An ECG is a non-invasive visual representation of the electrical characteristics of a heartbeat, resulting from low-level electrical impulses passed through twelve wires (or leads) mounted on the skin in standardized locations. Note, however, that the invention is not limited to the use of twelve-lead ECG systems. An ECG is performed to obtain clinical information about cardiac function as a permanent patterned record of the heart's overall respo...

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Abstract

There is provided a system, method and apparatus for detecting a cardiac event in a subject, including: at least one electrode attached to the subject for obtaining an electrocardiogram of the subject's heart; and means for determining a size of an area under a QRS complex of the electrocardiogram. The at least one electrode may be attached to the subject's skin or to the subject's heart. Preferably, the means for determining the size of the area under the QRS complex of the electrocardiogram is either visual or quantitative. The subject may be a human being or an animal. It is advantageous that the size of the area under the QRS complex of the electrocardiogram is directly proportional to the mass of viable myocardium in the subject's heart. The cardiac event that may be detected may be degenerative cardiomyopathy, acute myocardial infarction, arrhythmia, myocardial ischaemia, or compromised ventricular function.

Description

field of invention [0001] The present invention relates to systems, methods and devices for detecting cardiac events. Background of the invention [0002] Chest pain is such a common and complex symptom that practicing physicians need to diagnose it with precision every day. Diagnosis in patients with chest pain ranges from myocardial spasm to acute myocardial infarction (AMI). Accurate and correct diagnosis saves lives, while misdiagnosis can lead to serious morbidity and death of patients. Practitioners rely on their experience and diagnostic tools such as electrocardiography (ECG), serum markers, ionizing radiation, dobutamine stress echocardiography (DSE), single photon emission computed tomography (SPECT), positron emission tomography ( PET) and magnetic resonance imaging (MRI) to diagnose the patient's condition. Unfortunately, practicing physicians always face the risk of inappropriate treatment due to incorrect diagnosis of patients. This is a problem for practic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0472A61B5/366
CPCA61B5/0472A61B5/366
Inventor 泰·川·阿尔弗雷德·克维克纳拉彦·尼姆卡尔
Owner 泰・川・阿尔弗雷德・克维克
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