A 30yr gentleman with no PMH presented with choking sensation while having food & chest tightness persisting for 3 hrs O/E PR: 170/min regular, BP 90/50mmHg, SpO2 98% RA Systemic Exam: Unremarkable
What is the most likely rhythm diagnosis?
What are you concerned about? What initial maneuver can be tried bedside before giving medications?
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