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Article #156: Silent Ischemia

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Ischemia without pain is called silent a defective anginal warning system.
ischemia. Many people don't know that 2) Type II silent ischemia: Occurs in
they have ischemic heart disease and patients who suffered from MI.
that's why they could suffer a heart 3) Type III silent ischemia: Is the most
attack without any warning before. People frequent form of silent ischemia and it
with previous heart attacks , diabetes or occurs in patients with chronic stable
angina are inclined to developing silent angina and variant angina. Patients with
ischemia. this type III silent ischemia experience
Not all people who suffer from ischemia sometimes ischemia associated with chest
also have angina. Ischemia without angina discomfort and other times without.
is called silent ischemia. The absence of Mechanism of silent ischemia:
symptoms in the presence of ECG or ~diabetes associated with silent ischemia
myocardial ischemia that had already been has been assigned to an autonomic
diagnosed indicates that the person neuropathy.
suffers from silent myocardial ischemia. ~silent ischemia is a threshold for other
It usually occurs in patients who had a forms of pain like the ones caused by
cardiac transplantation or have diabetes. limb ischemia, balloon inflation in the
There are three types of silent ischemia: coronary arteries, electric shock.
1)Type I silent ischemia: Is the most ~patients with hypertension suffering
rare form of silent ischemia and it from silent ischemia have a low reaction
occurs in patients with obstructive CAD to tooth-pulp simulation and produce an
that don't suffer from angina. Studies high amount of endorphins.
show that patients with myocardial silent ~recent studies show that silent ischemia
ischemia never experience angina pectoris might be caused by a defect in the
in any of its forms: stable, unstable, cerebral cortex because the pain messages
variant. That is why patients with type transmited from the heart are the subject
I silent ischemia are considered to have to abnormal neural processing.






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