45M having an ST-segment-elevation myocardial infarction (ST…

45M hаving аn ST-segment-elevаtiоn myоcardial infarctiоn (STEMI) is profoundly anxious. His blood pressure is 89/43 mm Hg, RR is 30, and heart rate is 127 beats/min (sinus tachycardia). What explains this assessment and presentation?