Thursday, December 18, 2014

Practice EKG Strips 370

Identify the following rhythms.


a. Atrial paced
b. Biventricular paced
c. Dual paced
d. Ventricular paced


a. Normal sinus rhythm changing to VT
b. Sinus bradycardia changing to VT
c. Atrial fibrillation changing to VT
d. Idioventricular rhythm changing to VT


a. Accelerated idioventricular rhythm
b. Accelerated junctional rhythm
c. Idioventricular rhythm
d. Junctional rhythm


a. NSR with a sinus exit block
b. NSR with a PAC
c. Sinus arrhythmia
d. Sinus rhythm with a dropped PAC


a. Sinus arrhythmia
b. Sinus rhythm with sinus arrest
c. Sinus rhythm with bigeminal PACs
d. 2nd degree heart block type II

1. d. Ventricular paced. A single pacer spike is seen just before the QRS complex.
2. c. Atrial fibrillation changing to VT. The initial rhythm is irregular with an absence of P waves. This changes into a ventricular tachycardia with a rate between 150 - 180 bpm.
3. b. Accelerated junctional rhythm . Negative or inverted P are indicative of a junctional rhythm. When the rate is between 60 - 100 bpm then the junctional rhythm is characterized as an accelerated junctional rhythm.
4. a. NSR with a sinus exit block
5. c. Sinus rhythm with bigeminal PACs . You can see somethig of a pattern to the rhythm. The first two complexes are sinus in nature and may be indicative of the underlying rate and rhythm. The 3rd, 5th, 7th and 9th complexes arrive early in the cardiac cycel by comparison. There is also a slight morphological difference in the ectopic P waves.

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