Practice Question # 742.
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A client in the cardiac step-down unit requires suctioning for excess mucous secretions. The dysrhythmia most commonly seen during suctioning is:Correct
Answer A is correct. Suctioning can cause a vagal response, lowering the heart rate and causing bradycardia. Answers B, C and D can occur as well, but they are less likely.Incorrect
Answer A is correct. Suctioning can cause a vagal response, lowering the heart rate and causing bradycardia. Answers B, C and D can occur as well, but they are less likely.
Dysrhythmias are disorders of the formation or conduction (or both) of the electrical impulse within the heart. These disorders can cause disturbances of the heart rate, the heart rhythm, or both. Dysrhythmias may initially be evidenced by the hemodynamic effect they cause (eg, a change in conduction may change the pumping action of the heart and cause decreased blood pressure). Dysrhythmias are diagnosed by analyzing the electrocardiographic waveform. They are named according to the site of origin of the impulse and the mechanism of formation or conduction involved.