Silent Ischemia

Ischemia without pain is called silent ischemia. Many2) Type II silent ischemia: Occurs in patients who
people don't know that they have ischemic heartsuffered from MI.
disease and that's why they could suffer a heart3) Type III silent ischemia: Is the most frequent form
attack without any warning before. People withof silent ischemia and it occurs in patients with chronic
previous heart attacks , diabetes or angina arestable angina and variant angina. Patients with this
inclined to developing silent ischemia.type III silent ischemia experience sometimes
Not all people who suffer from ischemia also haveischemia associated with chest discomfort and other
angina. Ischemia without angina is called silenttimes without.
ischemia. The absence of symptoms in the presenceMechanism of silent ischemia:
of ECG or myocardial ischemia that had already been~diabetes associated with silent ischemia has been
diagnosed indicates that the person suffers fromassigned to an autonomic neuropathy.
silent myocardial ischemia. It usually occurs in patients~silent ischemia is a threshold for other forms of pain
who had a cardiac transplantation or have diabetes.like the ones caused by limb ischemia, balloon inflation
There are three types of silent ischemia:in the coronary arteries, electric shock.
1)Type I silent ischemia: Is the most rare form of~patients with hypertension suffering from silent
silent ischemia and it occurs in patients withischemia have a low reaction to tooth-pulp simulation
obstructive CAD that don't suffer from angina.and produce an high amount of endorphins.
Studies show that patients with myocardial silent~recent studies show that silent ischemia might be
ischemia never experience angina pectoris in any ofcaused by a defect in the cerebral cortex because
its forms: stable, unstable, variant. That is whythe pain messages transmited from the heart are the
patients with type I silent ischemia are considered tosubject to abnormal neural processing.
have a defective anginal warning system.