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Author Question: A 2:1 AV block is characterized by _____ intervals. a. irregular P to P b. irregular R to R ... (Read 148 times)

c0205847

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on: Jun 25, 2018
A 2:1 AV block is characterized by _____ intervals.
 
  a. irregular P to P
  b. irregular R to R
  c. regular P to P intervals and regular R to R
  d. irregular P to P intervals and regular R to R

Question 2

The rate of an idioventricular rhythm is _____ beats/min.
 
  a. 20 to 40
  b. 41 to 60
  c. 61 to 100
  d. 101 to 180


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Carliemb17

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Reply #1 on: Jun 25, 2018
Answer to Question 1

C
Second-degree 2:1 AV block is characterized by regular P-P and R-R intervals. P waves are normal in size and shape, but every other P wave is not followed by a QRS. The atrial rate is twice the ventricular rate.

Answer to Question 2

A
The intrinsic rate of an idioventricular rhythm, which is also called a ventricular escape rhythm, is 20 to 40 beats/min (i.e., the intrinsic firing rate of the Purkinje fibers).


c0205847

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Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it

alexanderhamilton

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Reply 3 on: Yesterday
Gracias!

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