Ischemia: is a restriction in blood supply to tissues, causing a shortage
of oxygen and glucoseneeded for cellular metabolism (to keep tissue alive
Myocardial infarction (MI) commonly known as a heart attack, results from the
interruption of blood supply to a part of the heart, causing heart cells to die.
Electrocardiography is a transthoracic (across the thorax or chest) interpretation of
the electricalactivity of the heart over a period of time, as detected
by electrodes attached to the outer surface of the skin and recorded by a device
external to the body
A pacemaker (or artificial pacemaker, so as not to be confused with the heart's
natural pacemaker) is a medical device that uses electrical impulses, delivered
by electrodes contacting the heart muscles, to regulate the beating of the heart.
Systemic circulation is the part of the cardiovascular system which
carries oxygenated blood away from the heart to the body, and returns deoxygenated
blood back t