Silent Ischemia and Ischemic Heart Disease
- By: Ronaldo Santagize
Ischemia is often a condition in which the blood flow (and thus oxygen) is restricted to a part of the body. Cardiac ischemia will be the name for lack of blood flow and oxygen to the heart muscle.
What exactly is ischemic heart illness? It's the term given to heart challenges caused by narrowed heart arteries. When arteries are narrowed, less blood and oxygen reach the heart muscle. This is also known as coronary artery illness (CAD) and coronary heart illness. This can ultimately result in heart attack. Ischemia typically causes chest discomfort or discomfort known as angina pectoris.
What exactly is silent ischemia?
Persons who encounter ischemia without pain have a heart condition referred to as silent ischemia. They may perhaps have a heart attack with no prior warning. Folks with angina also may possibly have undiagnosed episodes of silent ischemia. An exercise test or 24-hour portable monitors of the electrocardiogram (Holter monitor) are two tests typically employed to diagnose this challenge. Other tests also may possibly be use
Cardiac ischemia refers to lack of blood flow and oxygen to the heart muscle. Cardiac ischemia happens when an artery becomes narrowed or blocked for a short time, preventing oxygen-rich blood from reaching the heart. If ischemia is severe or lasts too lengthy, it can trigger a heart attack (myocardial infarction) and can result in heart tissue death. In most cases, a temporary blood shortage to the heart causes the discomfort of angina pectoris.
Silent ischemia may perhaps also disturb the heart's rhythm. Abnormal rhythms like
ventricular tachycardia or ventricular fibrillation may well interfere with the heart's pumping capability and can even cause fainting or sudden cardiac death.
Silent ischemia has no symptoms. Researchers have discovered that if you have episodes of noticeable chest pain, you may also have episodes of silent ischemia.
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