A nurse is caring for an alert client who reports heart palpitations, nausea, and dizziness. An electrocardiogram (EKG) confirms the client is experiencing vector tachycardia (VT). The nurse should anticipate which action?

Start CPR

Prepare for radiofrequency catheter ablation

Prepare for defibrillation

Prepare for cardioversion

Answer and Explanation

The Correct Answer is D

A. Start CPR: CPR is indicated if the client is unresponsive and pulseless, which is not the case here as the client is alert.

B. Prepare for radiofrequency catheter ablation: This is a long-term treatment for recurrent VT but not appropriate for acute management.

C. Prepare for defibrillation: Defibrillation is used for pulseless VT or ventricular fibrillation, not for a stable VT with a pulse.

D. Prepare for cardioversion: Synchronized cardioversion is the appropriate intervention for a stable VT with a pulse to restore normal rhythm.

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Correct Answer is D

Explanation

A. Subdural hematoma: Subdural hematomas develop more slowly and typically present a higher risk for delayed deterioration, but not usually within the first 24 hours.

B. Diffuse axonal injury: While severe, diffuse axonal injury typically causes a prolonged coma rather than immediate fatality within 24 hours.

C. Intracranial hemorrhage: This is severe but often depends on the size and location of the bleed.

D. Epidural hematoma: Epidural hematomas are associated with arterial bleeding and rapid deterioration due to increased intracranial pressure, making them the most fatal within 24 hours.

A. First degree heart block B. Second degree heart block C. Bundle branch block D. Sinus arrhythmia

Correct Answer is A

Explanation

A. First-degree heart block: A prolonged PR interval greater than 0.20 seconds, as seen in this case, indicates first-degree heart block, which is a delay in conduction at the AV node.

B. Second-degree heart block. Second-degree heart block is characterized by some PR intervals being prolonged with occasional dropped beats (non-conducted P waves).

C. Bundle branch block. Bundle branch block causes a wide QRS complex (greater than 0.12 seconds), which is not seen here.

D. Sinus arrhythmia. Sinus arrhythmia involves changes in heart rate due to respiratory cycles, not prolonged PR intervals.

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A nurse is caring for an alert client who reports heart palpitations, nausea, and dizziness. An electrocardiogram (EKG) confirms the client is experiencing vector tachycardia (VT). The nurse should anticipate which action?

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Naxlex Comprehensive Predictor Exams

The nurse is teaching a class to a group of staff nurses about traumatic brain injury which condition would the nurse identify as having the highest risk of a fatal outcome within the first 24 hours post-injury?

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Explanation

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Correct Answer is A

Explanation

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