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Arab Board Emergency Medicine Clinical Exam Practice Questions - Arab Board Emergency Medicine Final Clinical And Oral Examination (ABHS) Exam

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A 52-year-old male with end-stage renal disease missing hemodialysis for four days arrives in cardiac arrest with pulseless electrical activity (PEA). The resuscitation monitor demonstrates an extremely wide, sinusoidal QRS complex. What is the immediate first-line medication required to stabilize the cardiac membrane?
Correct Answer:
Intravenous calcium gluconate or calcium chloride

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