us-abem MCQ (SBA): Unstable SVT (ACLS)

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EasyEmergency MedicineUnstable SVT (ACLS)us-abemus-usmle-step-2us-usmle-step-3

A 48-year-old man collapses; rhythm shows narrow-complex regular tachycardia at 190/min with hypotension. Next best step?

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