Basic Dysrhythmia Recognition 2023

Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus rhythm with first-degree AV block, ST-segment depression ● Ventricular rhythm Regular ● Ventricular rate 68/min ● Atrial rhythm Regular ● Atrial rate 68/min ● PRI: 0.28 sec ● QRS: 0.06 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Second-degree AV block, type I ● Ventricular rhythm Irregular ● Ventricular rate 38 to 75/min ● Atrial rhythm Regular ● Atrial rate 75/min ● PRI: Lengthening ● QRS: 0.06 to 0.08 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Idioventricular rhythm (IVR) (ventricular escape rhythm) ● Ventricular rhythm Regular ● Ventricular rate 40/min ● Atrial rhythm None ● Atrial rate None ● PRI: None ● QRS: 0.18 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus tachycardia with uniform PVCs ● Ventricular rhythm Regular except for events ● Ventricular rate 107/min (sinus beats) ● Atrial rhythm Regular except for events ● Atrial rate 107/min (sinus beats) ● PRI: 0.20 sec (sinus beats) ● QRS: 0.08 sec (sinus beats) Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus rhythm with a wide QRS, ST-segment depression ● Ventricular rhythm Regular ● Ventricular rate 94/min ● Atrial rhythm Regular ● Atrial rate 94/min ● PRI: 0.18 sec ● QRS: 0.12 sec (wide, probably due to RBBB) Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Atrial flutter ● Ventricular rhythm Irregular ● Ventricular rate 75 to 107/min ● Atrial rhythm Unable to determine ● Atrial rate Unable to determine ● PRI: Unable to determine ● QRS: 0.08 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Accelerated idioventricular rhythm (AIVR) ● Ventricular rhythm Regular ● Ventricular rate 88/min ● Atrial rhythm None ● Atrial rate None ● PRI: None ● QRS: 0.12 to 0.14 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus rhythm, ST-segment depression ● Ventricular rhythm Regular ● Ventricular rate 75/min ● Atrial rhythm Regular ● Atrial rate 75/min ● PRI: 0.16 sec ● QRS: 0.08 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Agonal rhythm/asystole ● Ventricular rhythm Two ventricular complexes to none ● Ventricular rate None ● Atrial rhythm None ● Atrial rate None ● PRI: None ● QRS: 0.14 sec to none Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Complete (third-degree) AV block with ST-segment elevation ● Ventricular rhythm Regular ● Ventricular rate 60/min ● Atrial rhythm Regular ● Atrial rate 114/min ● PRI: Varies ● QRS: 0.08 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. AV nodal reentrant tachycardia (AVNRT) with ST-segment depression ● Ventricular rhythm Regular ● Ventricular rate 184/min ● Atrial rhythm Unable to determine ● Atrial rate Unable to determine ● PRI: Unable to determine ● QRS: 0.06 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Monomorphic ventricular tachycardia ● Ventricular rhythm Regular ● Ventricular rate 214/min ● Atrial rhythm Unable to determine ● Atrial rate Unable to determine ● PRI: Unable to determine ● QRS: 0.16 to 0.18 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus bradycardia with ventricular bigeminy ● Ventricular rhythm Regular except for the event (every other beat is an ectopic beat) ● Ventricular rate44/min (sinus beats) ● Atrial rhythm Regular except for the event ● Atrial rate 44/min (sinus beats) ● PRI: 0.20 sec (sinus beats) ● QRS: 0.06 sec (sinus beats) Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus tachycardia, ST-segment depression ● Ventricular rhythm Regular ● Ventricular rate 120/min ● Atrial rhythm Regular ● Atrial rate 120/min ● PRI: 0.16 sec ● QRS: 0.08 to 0.10 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Polymorphic ventricular tachycardia ● Ventricular rhythm Irregular ● Ventricular rate 300 to 375/min ● Atrial rhythm Unable to determine ● Atrial rate Unable to determine ● PRI: Unable to determine ● QRS: Varies Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Accelerated junctional rhythm ● Ventricular rhythm Regular ● Ventricular rate 62/min ● Atrial rhythm Regular ● Atrial rate 62/min ● PRI: 0.14 sec ● QRS: 0.08 sec Copyright © 2006 by Mosby Inc. All rights reserved. Copyright © 2006 by Mosby Inc. All rights reserved. Sinus rhythm to monomorphic ventricular tachycardia (VT) ● Ventricular rhythm Regular (sinus beats), regular (VT) ● Ventricular rate 94/min (sinus beats) to 150/min (VT) ● Atrial rhythm Regular to unable to determine ● Atrial rate 94/min (sinus beats) ● PRI: 0.16 sec (sinus beats) ● QRS: 0.10 sec (sinus beats) to 0.14 sec (VT)