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Author Question: A person with a heart rate of 170 bpm and a normal QRS duration would most likely be experiencing a ... (Read 6 times)

maegan_martin

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on: Jul 23, 2018
A person with a heart rate of 170 bpm and a normal QRS duration would most likely be experiencing a
 
  1. yachydysrhythmia originating from the bundle branches.
  2. tachydysrhythmia originating from the atria.
  3. tachydysrhythmia originating from the ventricles.
  4. tachydysrhythmia originating from the Purkinje fibers.

Question 2

Which adverse effect is shared among all antidysrhythmic drugs?
 
  1. Edema
  2. Impotence
  3. Photosensitivity
  4. Prodysrhythmic effects


duke02

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Reply #1 on: Jul 23, 2018
Answer to Question 1

Correct Answer: 2
Rationale: Given a normal QRS duration, the rhythm is not coming from the ventricles but from the atria.

Answer to Question 2

Correct Answer: 4
Rationale: All antidysrhythmic agents can worsen existing dysrhythmias or create new ones.


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