environment applies to all the external factors that have a formative influence on one's physical, mental, or moral development. the kind of environment that produces juvenile delinquents; milieu applies especially to the physical and social surroundings of a person or group of persons.
Myocardial ischemia is an imbalance between myocardial oxygen supply and demand. Left untreated, it results in angina pectoris, myocardial stunning, myocardial hibernation, ischemic preconditioning, postconditioning, or under the most severe instances, acute coronary syndrome and myocardial infarction.
Myocardial ischemia is the primary manifestation of congenital or acquired coronary artery disease (CAD). In Coronary Artery Anomalies, Angelini comprehensively classifies coronary anomalies in (normal) human hearts, as follows: Anomalies of origination and course. Anomalies of intrinsic coronary arterial anatomy.