Practice Quiz

Respiratory Therapist

Category - Initiation and Modification of Interventions

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A patient has been cardioverted with 200 J without reverting to normal sinus rhythm. The patient remains in ventricular fibrillation.

What is the next course of action?
  1. Attempt cardioversion at 150 J
  2. Attempt cardioversion at 250 J
  3. Attempt cardioversion at 300 J
  4. Attempt cardioversion at 380 J
Explanation
Answer: C-If a patient is still in ventricular fibrillation after attempt at 200 J, the next course of action would be to attempt to cardiovert the patient at 300 J.

ACLS guidelines state that 200 J should be tried initially to resolve the ventricular fibrillation. If successful cardioversion is not accomplished at 200 J, another attempt should be made at 300 J. The maximum amount delivered by most devices is 360 J.
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