Case: Mr. L., 71, is on day 2 after an inferior STEMI treate…
Case: Mr. L., 71, is on day 2 after an inferior STEMI treated with PCI. He suddenly becomes acutely dyspneic and anxious. Assessment: BP 82/50 HR 124 RR 34 SpO₂ 82% on non-rebreather Diffuse crackles New loud holosystolic murmur best heard at the apex radiating to the axilla Cool, clammy extremities Which action is the priority?