Firdaus Khan
All heart patients should know the pumping status of their heart, which is called ejection fraction. If low these patients are at risk of sudden cardiac death during winter season, said Dr. KK Aggarwal, President, Heart Care Foundation of India.
The guidelines from American College
The guidelines further suggest that ICD therapy is indicated in patients with non-ischemic dilated cardiomyopathy (enlarged heart) who have an LVEF less than or equal to 35% and who are symptomatic.
ICD therapy is also indicated in patients with heart dysfunction due to prior heart attack who are at least 40 days post heart attack with LVEF less than 30% even if they have no symptoms.
ICD therapy is also indicated in patients post heart attack with LVEF less than 40% if they have irregular heart abnormality of non-sustained VT (Ventricular Tachycardia) on 24 hour ECG monitoring or inducible abnormal heart rhythm called VF (Ventricular fibrillation) or sustained VT at electrophysiological study.
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