MRCP2-0381
A 57-year-old man presents with a feeling of tightness in his chest and jaw, accompanied by increasing breathlessness, clamminess, and vomiting. He has a history of refractory hypertension but was feeling well prior to this episode. On examination, he has a loud pansystolic murmur, raised JVP with cannon V waves, and a palpable, pulsatile liver. His blood pressure is 190/110 mmHg, heart rate 90/min, and oxygen saturation is 92%. Laboratory results show elevated troponin levels and ST depression in leads V1-V3 on ECG, as well as an enlarged cardiac shadow on chest X-ray. What is the most likely diagnosis?