<prompt> A 55-year-old female presents with Levine sign, hiccups, and vomiting episodes. On examination HR50min with BP 10060 mm Hg with elevated JVP. ECG technician is yet to arrive. Which coronary aery is likely to be involved?RCALADLCXLeft main coronary aery  <response>: 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. 