A nurse is caring for a client who develops a ventricular fibrillation rhythm. The client is unresponsive, pulseless, and apneic. Which of the following actions is the nurse's priority?

Amiodarone administration

Epinephrine administration

Defibrillation

Airway management

Answer and Explanation

The Correct Answer is C

A.   amiodarone is a medication used to treat ventricular fibrillation administered after defibrillation.
B.   Epinephrine is also used in cardiac arrest, but it is administered after unsuccessful defibrillation attempts.
C.   Defibrillation is the immediate life-saving intervention for ventricular fibrillation. It delivers a high- energy shock to the heart to try to restore normal rhythm.
D.   While important in cardiac arrest, it is not the immediate priority. Defibrillation takes precedence.

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Correct Answer is D

Explanation

A. Heparin can be used to manage DIC but it's not a lifelong treatment and is part of a complex management plan.
B. DIC actually leads to a decreased platelet count due to excessive clotting.
C. DIC is an acquired condition, not a genetic one, and while vitamin K is involved in clotting, it's not the primary cause of DIC.
D. DIC is a complex disorder involving uncontrolled clotting and bleeding due to the depletion of clotting factors, including fibrinogen.

A. The P-R interval measures 0.22 seconds. B. The T wave is in the inverted position. C. The QRS duration is 0.20 seconds. D. The P wave falls before the QRS complex.

Correct Answer is D

Explanation

A. The normal P-R interval ranges from 0.12 to 0.20 seconds. A P-R interval longer than 0.20 seconds is considered prolonged and may indicate a first-degree AV block.
B. The T wave represents ventricular repolarization. Normally, the T wave is upright in most leads. An inverted T wave can indicate various conditions, including ischemia, electrolyte imbalances, or other abnormalities
C. The normal QRS duration ranges from 0.06 to 0.10 seconds. A QRS duration greater than 0.10 seconds indicates a delay in ventricular conduction, which could be due to a bundle branch block or other conduction abnormalities.
D. In a normal sinus rhythm, the P wave should consistently appear before each QRS complex. This reflects proper atrial depolarization followed by ventricular depolarization. This pattern indicates that the heart's electrical impulses are originating from the sinus node and are being properly conducted through the AV node to the ventricles.

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A nurse is caring for a client who develops a ventricular fibrillation rhythm. The client is unresponsive, pulseless, and apneic. Which of the following actions is the nurse's priority?

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