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ACLS Rhythms Cheat Sheet Amanda Hooper 2008-2009.

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Presentation on theme: "ACLS Rhythms Cheat Sheet Amanda Hooper 2008-2009."— Presentation transcript:

1 ACLS Rhythms Cheat Sheet Amanda Hooper

2 Normal Sinus Rhythm

3 Arrest Rhythms Asystole PEA Vfib/pulseless Vtach

4 Agonal Rhythm/Asystole

5 Pulseless Electrical Activity (PEA) Note that PEA can look like any rhythm (any organized electrical activity), but if no pulse it is PEA

6 Course Ventricular Fibrillation

7 Fine Ventricular Fibrillation

8 Non-Arrest Rhythms

9 One very important thing that seems like it should be easy but I always have to remember how to do: determine the rate… Find a QRS complex that is closest to a dark vertical line. Then count the number of “big boxes” until the next QRS complex. For each “big box” you pass, select the next number off the mnemonic " " to estimate the rate. Alternatively, you can count the number of big boxes between two QRS complexes and divide 300 by that number.

10 Sinus Tachycardia Note the rate is > 100 bpm

11 Atrial Fibrillation Note it is “irregularly irregular” and there are no definite p waves

12 Atrial flutter Note the “saw-tooth” pattern

13 Reentry Supraventricular Tachycardia This is a regular, narrow complex tachycardia without P waves, usually with a sudden onset and cessation

14 Monomorphic Ventricular Tachycardia With ventricular rhythms, QRS is usually wide. V tach is more organized electrical activity than v fib, but v tach often deteriorates into v fib so both are very bad!

15 Polymorphic Ventricular Tachycardia

16 Torsades de Pointes A special type of polymorphic Vtach- Note the “spindling” in the QRS complexes

17 Sinus Bradycardia Note the rate <60 bpm. Could be physiologic or symptomatic depending on the patient.

18 1 st Degree AV Block Note the increased PR interval

19 2 nd Degree AV Block: Mobitz type I (Wenckebach) Note the progressive lengthening of the PR interval until one P wave (arrow) is not followed by a QRS

20 2 nd Degree Block: Mobitz type II Note the regular PR interval until beats are dropped.

21 3rd Degree AV Block Note the regular P waves and regular ventricular “escape beats” but no relationship between the P waves and escape beats.


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