Cambridge Heart, Inc., a developer of non-invasive diagnostic tests for cardiac disease, announced that its test was recently featured in Diagnostic and Interventional Cardiology as the Case of the Week.
The clinical case illustrates the prognostic value of the test in a patient who received an implantable electrical impulse generator after testing positive for Microvolt T-Wave Alternans , an alternation in the morphology of the T-wave in an every other beat associated with arrhythmias and sudden death. One year later, the patient experienced sudden cardiac arrest while resting at home and was revived by a shock from the device. The case study can be found on the DAIC website.
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Sudden cardiac arrest claims 300,000 lives in the United States each year. Out-of-hospital survival is less than 8%, making prediction and prevention critically important. Microvolt T-Wave Alternans is a marker of sudden cardiac arrest risk which is measured from the electrocardiogram (ECG) recorded during a non-invasive treadmill test.