A 55-year-old female presents with Levine sign, hiccups, and vomiting episodes. On examination HR=50/min with BP =100/60 mm Hg with elevated JVP. ECG technician is yet to arrive. Which coronary aery is likely to be involved?: (A) RCA, (B) LAD, (C) LCX, (D) Left main coronary aery
Answer is A. The RCA supplies the circulation to most of the inferior myocardium. Proximal end in 60% of patients supplies the SA Node Distal end in 90% patients supplies the AV node. Thus occlusion of RCA -Bradycardia, hypotension The damaged RV irritates the diaphragm and leads to hiccoughs.