Changes

Blood supply is from the coronary arteries, sinuses beind the leaflets of the aortic valve allow entry of blood into the coronary system at diastole.   

Blood supply is from the coronary arteries, sinuses beind the leaflets of the aortic valve allow entry of blood into the coronary system at diastole.   

Disease of the myocardium may be incidental at post mortem and cause no clinical signs, or may be clinically evident.  Disease must be severe and widespread to lead to observable clinical signs.  Myocardial disease most often leads to [[Cardiovascular Conditions - WikiClinical#Heart Failure]].

Disease of the myocardium may be incidental at post mortem and cause no clinical signs, or may be clinically evident.  Disease must be severe and widespread to lead to observable clinical signs.  Myocardial disease most often leads to [[Cardiovascular Conditions - WikiClinical#Heart Failure|heart failure]].

The heart cannnot regenerate by hyperplasia and so responds with hypertrophic change in order to maintain normal function.

The heart cannnot regenerate by hyperplasia and so responds with hypertrophic change in order to maintain normal function.