ACLS Exam practice questions, Latest 2025/2026

ACLS
reentry supraventricular tachycardia -



atrial fibrilation -



reentry supraventricular tachycardia -



sinus bradycardia -



coarse ventricular fibrillation -



atrial flutter -



second degree AV block type 1 (wenckenbach) -



reentry supraventricular tachycardia -



sinus bradycardia -



monomorphic ventricular tachycardia -



second degree AV block mobitz type 2 -



second degree AV block mobitz type 2 -



coarse ventricular fibrillation -



normal sinus rhythm -



third degree AV block -

,reentry supraventricular tachycardia -



polymorphic ventricular tachycardia - aka torsades -



sinus tachycardia -



reentry supraventricular tachycardia -



sinus bradycardia -



second degree AV block type 1 (wenckenbach) -



reentry supraventricular tachycardia -



sinus bradycardia -



fine ventricular fibrillation -



second degree AV block mobitz type 2 -



second degree AV block mobitz type 2 -



normal sinus rhythm -



third degree AV block -



-



anterior leads - V2, V3, V4

, left lateral leads - I, aVL, V5, V6



inferior leads - II, III, aVF



right ventricular leads - aVR, V1



Lead I - angle - +0º

left lateral



Lead II - angle - +60º

inferior



Lead III - angle - +120º

inferior



Lead aVF - angle - +90º

inferior



Lead aVR - angle - -150º - "la la land"

right ventricular



Lead aVL - angle - -30º

left lateral



Normal PR segment length - 0.12 - 0.2 sec

3 - 5 small boxes



Normal QRS interval - 0.06 - 0.1 sec

1 - 3 small boxes



Normal QT interval - 40% of cardiac cycle