EKG Week 2

Question 1

Identify this rhythm strip.

Identify this rhythm strip:

Answer 1

1st degree AV block
* PR interval > 200ms (five small squares)

Question 2

Identify this rhythm strip:

Answer 2

1st degree AV block
* PR interval > 200ms (five small squares)

Question 3

Identify this rhythm strip:

Answer 3

2nd degree type II (Mobitz II)
* A form of 2nd degree AV block in which there is intermittent non-conducted P waves without progressive prolongation of the PR interval

Question 4

Identify this EKG:

Answer 4

2nd degree type II (Mobitz II)
* A form of 2nd degree AV block in which there is intermittent non-conducted P waves without progressive prolongation of the PR interval

Question 5

Identify this EKG:

Answer 5

3rd degree heart block (complete heart block)
* Severe bradycardia due to absence of AV conduction
* The ECG demonstrates complete AV dissociation, with independent atrial and ventricular rates

Question 6

Identify this EKG:

Answer 6

2nd Degree AV Block, 2:1 Conduction

Question 7

Identify this EKG:

Answer 7

Dual-Chamber Pacing (A-V Sequential Pacing)

Question 8

Identify this rhythm strip:

Answer 8

Biventricular pacing (two pacing spikes close together preceding the QRS, one for each ventricle.

Question 9

Identify this EKG rhythm:

Answer 9

Atrial paced rhythm with 1st degree AV block

Question 10

Identify this EKG rhythm. What is the malfunction?

Answer 10

Ventricular paced rhythm; intermittent failure to capture

Question 11

Identify this EKG rhythm.

Answer 11

Failure to capture