Category: ECG / Electrophysiology

Defibrillators are life saving devices for treating life threatening disorders of cardiac rhythm.

Digoxin may not improve prognosis in AF Digoxin may not improve prognosis in AF: A study published in Circulation [1] evaluated the use of various rate control modalities in

Following are the important predictors of recurrence after electrical cardioversion of AF: Duration of atrial fibrillation Age of the person Left atrial size Left ventricular dimensions Left ventricular ejection fraction Underlying cardiac disease NYHA functional

First phase of VF (ventricular fibrillation) is known as: a) Electrical phase b) Hemodynamic phase c) Metabolic phase d) None of the above Correct Answer  

Gollob score and modified Gollob score have been proposed for the risk stratification of: a) Long QT syndrome b) Short QT syndrome c) Brugada syndrome d) Early repolarization

Which of the following risk factors for SCD (sudden cardiac death ) is more important in pediatric age group than in adults? a) Maximum left ventricular wall thickness of

Most common arrhythmia in hypertrophic cardiomyopathy (HCM): a) Ventricular tachycardia b) Ventricular fibrillation c) Atrial tachycardia d) Atrial fibrillation

Coved ST segment elevation in lateral leads in hypertrophic cardiomyopathy (HCM) is suggestive of: a) Lateral wall myocardial infarction b) Apical aneurysm c) Coronary vasospasm d) None of the above

North West (extreme superior) QRS axis in hypertrophic cardiomyopathy (HCM) is most likely due to: a) Fabry disease b) Noonan syndrome c) Danon disease d) None of the above

Electrical alternans in pericardial effusion is due to swinging of the heart within the fluid filled pericardial cavity. QRS amplitude is larger when the heart is in the