A 35 year old man presents to the medical take with acute heart failure. He has a 2 week history of progressive breathlessness. Past medical history includes type II diabetes mellitus. An echocardiogram subsequently shows an EF of 25% with anterior, septal, and lateral wall motion defects. He is stabilized on medication with furosemide, spironolactone, bisoprolol, and ramipril.
What would be your next course of investigation?
A. Endomyocardial biopsyThe echocardiogram is suggestive of ischaemic heart disease being the aetiology of his symptoms. Angiography is the investigation of choice.