The nurse who is caring for a patient in ICU on a ventilator assesses a need for suctioning and is aware that the most common cardiac arrhythmia occurring during endotracheal suctioning is:
A) Sinus tachycardia
B) Ventricular tachycardia
C) Paroxysmal supraventricular tachycardia
D) Sinus bradycardia
Ans: D
Feedback: Vagal stimulation such as vomiting, suctioning, severe pain, and extreme emotions may cause sinus bradycardia when the sinus node creates an impulse at a slower-than-normal rate. Sinus bradycardia has a ventricular and atrial rate less than 60. The treatment of choice is to block vagal stimulation, thus allowing a normal rate to occur. Sinus tachycardia occurs when the sinus node creates an impulse at a faster-than-normal rate resulting from physiologic or psychological stress. Ventricular tachycardia is associated with coronary artery disease
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