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megnogz megnogz
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6 years ago
To determine whether the ventricular rhythm on an ECG tracing is regular or irregular, compare _____ intervals.
 
  a. PR
  b. R to R
  c. TP
  d. P to P

Question 2

Lead III views the _____ wall of the left ventricle.
 
  a. septal
  b. inferior
  c. posterior
  d. lateral

Question 3

Myocardial ischemia delays the process of repolarization; therefore the ECG changes characteristic of ischemia include _____.
 
  a. widening of the QRS complex
  b. prolongation of the PR interval
  c. changes in the ST segment and T wave
  d. changes in the QRS complex and ST segment

Question 4

A wandering atrial pacemaker rhythm with a ventricular rate of 60 to 100/min may also be referred to as _____.
 
  a. atrial flutter
  b. atrial fibrillation
  c. multifocal atrial tachycardia
  d. multiformed atrial rhythm

Question 5

How are frequent PACs usually managed?
 
  a. Defibrillation
  b. Synchronized cardioversion
  c. Correcting the underlying cause
  d. Administration of medications such as atropine or epinephrine
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adavisadavis
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6 years ago
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megnogz Author
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6 years ago
My teacher is very rude and likes to speed his way through a lesson without letting the class ask questions. Thank you for helping me. You're a life saver Slight Smile
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