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Author Question: The ventricular rhythm is regular in second-degree AV block type I. Indicate whether the ... (Read 72 times)

ericka1

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on: Jun 25, 2018
The ventricular rhythm is regular in second-degree AV block type I.
 
  Indicate whether the statement is true or false

Question 2

Your patient has a DDD pacemaker. Briefly explain the meaning of each of these letters.
 
  What will be an ideal response?


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Sarahjh

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

F
With second-degree AV block type I, the ventricular rhythm is irregular. The atrial rate is regular (i.e., Ps plot through on time). Grouped beating may be present.

Answer to Question 2

A dual-chamber pacemaker can also be called a DDD pacemaker, indicating that both the atrium and ventricle are paced (D), both chambers are sensed (D), and the pacemaker has both a triggered and an inhibited mode of response (D). When spontaneous atrial depolarization does not occur within a preset interval, the atrial pulse generator fires and stimulates atrial depolarization at a preset rate. The pacemaker is programmed to wait, simulating the normal delay in conduction through the AV node (the PR interval). The artificial or electronic PR interval is referred to as an AV interval. If spontaneous ventricular depolarization does not occur within a preset interval, the pacemaker fires and stimulates ventricular depolarization at a preset rate.


ericka1

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Reply 2 on: Jun 25, 2018
:D TYSM

sultana.d

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Reply 3 on: Yesterday
Gracias!

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QRS complex (ventricular depolarization). QRS complex (ventricular depolarization).
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