Just to bump this up:
"According to Harrison's Principles of Internal Medicine (Harrison's
Online, Chapter 237, Ischemic Heart Disease, 2008), IHD is a condition
in which there is an inadequate supply of blood and oxygen to a portion
of the myocardium; it typically occurs when there is an imbalance
between myocardial oxygen supply and demand. Therefore, for purposes of
this regulation, the term ``IHD'' includes, but is not limited to,
acute, subacute, and old myocardial infarction