by adunn


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right axis deviation
a calculated axis of the heart's electrical energy that equals or exceeds +105o (or in a simplified formula, from +90 to +180o)
left axis
a calculated axis of the heart's electrical energy that equals or exceeds -30o (or in a simplified formula, from 0 to -90o)
indeterminate axis
a calculated axis of the heart's electrical energy from -90o to -180o. (Indeterminate exis is often considered to be extreme right axis deviation.)
myocardial ischemia
deprivation of oxygen and other nutrients to the myocardium (heart muscle), typically causing abnormalities in repolarization
myocardial injury
injury to the myocardium (heart muscle), typically following myocardial ischemia that results from loss of blood and oxygen supply to the tissue.  The injured myocardium tends to be partially or completely depolarized
current of injury (injury current)
the flow of current between the pathologically depolarized area of myocardial injury and the normally depolarized areas of the myocardium
reciprocal
a morror image seen typically on the opposite wall of the injured area
hypertrophy
stretching; enlargement without any additional cells
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