The patient is experiencing V-Tach with a pulse and presents with a blood pressure of 70/42, mental status changes, and is clammy and pale. The RN prepares the patient for which of the following?
Obtain a blood sample
Synchronized cardioversion
Defibrillation
CPR
The Correct Answer is B
A. Obtain a blood sample: While laboratory tests may help identify underlying causes of ventricular tachycardia (V-Tach), obtaining a blood sample is not an immediate priority in a patient who is hemodynamically unstable. The patient’s low blood pressure, altered mental status, and signs of poor perfusion require urgent intervention to restore cardiac output.
B. Synchronized cardioversion: Synchronized cardioversion is the treatment of choice for a patient with pulsed V-Tach who is hemodynamically unstable, as evidenced by hypotension, altered mental status, and signs of shock. The procedure delivers a timed electrical shock that resets the heart’s rhythm while minimizing the risk of inducing ventricular fibrillation.
C. Defibrillation: Defibrillation is reserved for pulseless V-Tach or ventricular fibrillation. In this scenario, the patient still has a pulse, so immediate defibrillation is not appropriate. Using defibrillation on a pulsed patient could be harmful, whereas synchronized cardioversion is specifically indicated for unstable but pulsing arrhythmias.
D. CPR: Cardiopulmonary resuscitation is indicated when a patient has no pulse and is in cardiac arrest. Since this patient is still pulsing, initiating CPR would not address the underlying arrhythmia effectively and could delay definitive treatment, which in this case is synchronized cardioversion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rhythm: Sinus, regular
Rate: 50 b/min
P wave: Present, normal
PR interval: Normal 0.2 seconds
QRS: Narrow
Rhythm interpretation: Sinus bradycardia
Correct Answer is D
Explanation
A. A patient with type 1 second-degree AV block, rate 60, who is dizzy when ambulating: While this patient is experiencing symptomatic bradycardia during activity, the symptoms are situational and can be managed by assisting with ambulation and monitoring. It is important, but not as immediately life-threatening as repeated ICD discharges.
B. A patient with atrial fibrillation, rate 88, who has a new warfarin (Coumadin) order: Initiating anticoagulation is important for stroke prevention, but it is not an urgent, emergent situation. This patient can be safely seen after addressing more critical issues.
C. A patient who has a sinus rhythm, rate 98, after having electrical cardioversion 2 hours ago: This patient is currently stable post-procedure with a normal sinus rhythm. Continuous monitoring is necessary, but there are no immediate signs of instability requiring urgent intervention.
D. A patient whose ICD fired three times today who is scheduled for a dose of amiodarone (Cordarone): Multiple ICD discharges indicate recurrent life-threatening arrhythmias or device therapy for ventricular tachyarrhythmias. This patient is at highest risk for sudden cardiac arrest, making assessment and intervention the top priority, including ensuring hemodynamic stability and timely administration of antiarrhythmic therapy.
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