Exam (elaborations)
CARDIAC DYSRHYTHMIAS - S1 QUESTIONS AND ANSWERS
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CARDIAC DYSRHYTHMIAS - S1
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CARDIAC DYSRHYTHMIAS - S1P-waves are absent in atrial flutter.
True
False - answerTrue
The hallmark of atrial flutter are "saw-tooth" waves, sometimes called F-waves.
True
False - answerTrue
The R waves in atrial fibrillation are regular.
True
False - answerFalse
Atrial fibrillation is characterized by random p-waves on the EKG.
True
False - answerFalse
Which of the following conditions are not thought to cause atrial fibrillation?
A. Mitral stenosis
B. Mitral regurgitation
C. Tricuspid regurgitation
D. Peripheral vascular disease - answerD. Peripheral vascular disease
Which action will the nurse take to improve the quality of the electrocardiographic
rhythm transmission to the monitoring system?
Apply lotion to the client's chest before attaching the chest leads.
Remove the hair from the chest area before attaching the chest leads.
Instruct the client not to wear any clothing made from synthetic fabrics during the test.
Apply skin protectant to area prior to placing electrode. - answerRemove the hair from
the chest area before attaching the chest leads.
The client with tachycardia is experiencing clinical manifestations. Which one alerts the
nurse to the need for immediate intervention?
Chest pain
, Increased urine output
Mild orthostatic hypotension
P wave touching the T wave - answerChest pain
The client is experiencing occasional premature atrial contractions (PACs) accompanied
by palpitations. These episodes resolve spontaneously without treatment. What
instructions will be included in a teaching plan for this client?
Limit or abstain from caffeine.
Lie on your left side until the attack subsides.
Use your oxygen whenever you experience PACs.
Take your quinidine twice daily on the days that you experience palpitations. -
answerLimit or abstain from caffeine.
A nurse is caring for a client with chronic atrial fibrillation who is at risk for systemic
emboli. Which drug should the nurse expect to administer to prevent this complication?
Sotalol (Betapace)
Heparin (Heparin)
Atropine (Atropine)
Lidocaine (Xylocaine) - answerHeparin (Heparin)
What does the P wave on an ECG tracing represent?
Contraction of the atria
Contraction of the ventricles
Depolarization of the atria
Depolarization of the ventricles - answerDepolarization of the atria
Which dysrhythmia may develop in a client with frequent premature ventricular
contractions?
Sinus tachycardia
Rapid atrial flutter
Ventricular tachycardia
Atrioventricular junctional rhythm - answerVentricular tachycardia
The nurse observes a prominent U wave on the client's ECG tracing. What is the
nurse's interpretation of this finding?
This is a normal finding.
The client may have a potassium imbalance.
The client is at risk for R-on-T phenomenon.
The client has an evolving myocardial infarction. - answerThe client may have a
potassium imbalance.
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