Chapter 35: Dysrhythmias Lewis: Medical-Surgical Nursing, 10th Edition Exam Practice Questions and Answers
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Course
Lewis Medical-Surgical Nursing
Institution
Lewis Medical-Surgical Nursing
Chapter 35: Dysrhythmias Lewis:
Medical-Surgical Nursing, 10th Edition
Exam Practice Questions and Answers
To determine whether there is a delay in impulse conduction through the ventricles, the nurse will
measure the duration of the patient's
a. P wave. c. PR interval.
b. Q wave. d. QRS comp...
The nurse obtains a rhythm strip on a patient who has had a myocardial infarction and makes the
following analysis: no visible P waves, PR interval not measurable, ventricular rate of 162, R-R interval
regular, and QRS complex wide and distorted, and QRS duration of 0.18 second. The nurse interprets the
patient's cardiac rhythm as
a. atrial flutter. c. ventricular fibrillation.
b. sinus tachycardia. d. ventricular tachycardia. - Ans:✔✔-ANS: D
The absence of P waves, wide QRS, rate greater than 150 beats/min, and the regularity of the rhythm
indicate ventricular tachycardia. Atrial flutter is usually regular, has a narrow QRS configuration, and has
flutter waves present representing atrial activity. Sinus tachycardia has P waves. Ventricular fibrillation is
irregular and does not have a consistent QRS duration.
DIF: Cognitive Level: Apply (application)
The nurse notes that a patient's heart monitor shows that every other beat is earlier than expected, has
no visible P wave, and has a QRS complex that is wide and bizarre in shape. How will the nurse document
the rhythm?
a. Ventricular couplets
b. Ventricular bigeminy
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