FCEM2-0190
A 68 year old male is brought to the emergency department by a concerned coworker who noticed that the patient seemed unsteady on his feet and very short of breath when walking to his car. The patient tells you they usually feel a bit short of breath when doing things like walking to their car or going up the stairs. On examination you note a regular pulse, rate 88 bpm, but an audible ejection systolic murmur loudest at the left sternal edge. Blood pressure is 148/94 mmHg. What is the likely diagnosis?