The nurse obtains a rhythm strip on a patient who has had a myocardial infarction and makes the following analysis: no visible P waves,P-R interval not measurable,ventricular rate 162,R-R interval regular,and QRS complex wide and distorted,QRS duration 0.18 second.The nurse interprets the patient's cardiac rhythm as

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The absence of P waves,wide QRS,rate >150 beats/minute,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.

The Nurse Obtains a Rhythm Strip on a Patient Who