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