What does the P wave represent, Ventricular depolarization, Atrial depolarization, Ventricular repolarization, AV node delay, What is the normal PR interval?, 0.04–0.10 sec, 0.12–0.20 sec, 0.25–0.30 sec, 0.30–0.40 sec, The QRS complex represents?, Atrial repolarization, Ventricular depolarization, Atrial contraction, Ventricular relaxation, what is rhythm ?, Normal rhythm, tachycardia, bradycardia, AF, what is the rhythm ?, tachycardia, Normal sinus rhythm, bradycardia, AF, Ventricular tachycardia usually shows?, Narrow QRS, Wide QRS complex tachycardia, Irregular rhythm with P waves, Normal PR interval, In First-Degree AV Block, what happens?, PR interval shortened, PR interval prolonged, QRS absent, P waves absent, Third-Degree Heart Block is also called?, Partial block, Complete heart block, Sinus block, Atrial flutter, ST elevation usually indicates?, Arrhythmia, Heart block, Acute myocardial infarction, Normal ECG, Which leads indicate inferior myocardial infarction?, V1–V4, II, III, aVF, I, aVL, V5–V6, ECG Lead Placement, Where is V1 placed?, 5th intercostal mid-clavicular line, 4th intercostal space right sternal border, 6th intercostal space axillary line, left shoulder, what is the rhythm ?, VT, PVT, AF, VF, what is the rhythm?, AF, Tachycardia, bradycardia, SVT, The main ECG characteristic of atrial fibrillation is?, Regular rhythm, Sawtooth waves, Irregularly irregular rhythm with no P waves, Wide QRS

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