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What is the difference between reversible and irreversible ischemia?
Reversible ischemia occurs when blood flow is temporarily restricted to an area, but the tissue is not permanently damaged and can recover if blood flow is restored quickly. Irreversible ischemia, on the other hand, results in permanent tissue damage due to prolonged lack of blood supply, leading to cell death and potentially organ dysfunction.
What is reversible inferolateral defect?
A reversible inferolateral defect seen on a myocardial perfusion imaging scan typically indicates reduced blood flow to the inferior and lateral walls of the heart during stress, but this impairment is reversible with rest. It suggests the presence of ischemia in those regions and may indicate potential underlying coronary artery disease. Follow-up testing and evaluation by a healthcare provider is usually recommended to further assess the significance of this finding.
What is a Partially reversible defect of the inferolateral wall?
A partially reversible defect of the inferolateral wall typically refers to a condition observed in cardiac imaging, such as a myocardial perfusion scan or cardiac MRI, where there is reduced blood flow or function in the inferolateral region of the heart muscle. This defect may indicate underlying ischemia or previous myocardial injury, but it is not completely fixed, meaning some functional recovery is possible with appropriate treatment, such as revascularization or lifestyle modifications. The term emphasizes the potential for improvement in heart function in that specific area, depending on the severity and duration of the underlying condition.
What is no reversible ischemia?
Irreversible ischemia refers to tissue damage that occurs when blood flow is completely blocked for an extended period, leading to cell death. This can result in permanent tissue damage or organ dysfunction. Common causes include heart attacks and strokes.
What is the medical terminology for reduction of oxygen supply to tissue?
The medical term for the reduction of oxygen supply to tissue is ischemia. This condition can lead to tissue damage or cell death if not promptly treated. Symptoms of ischemia can include pain, numbness, or tissue discoloration.
What is the meaning of negative for reversible myocardial ischemia?
A proof that a particular problem cannot be solved, or irreversible, ischemia mean that Inadequate blood supply (circulation) to a local area due to blockage of the blood vessels to the area.
What is the meaning for negative for provocable myocardial ischemia?
what is the meaning of negative for provocable ischemia
Condition associated with servere chest pain and myocardial ischemia?
myocardial infarction
Is transmural ischemia due to acute myocardial infarction?
Myocardial ischemia is owing to poor blood supply and infarction is due to no blood supply. The severity of both differs and ischemia can progress to infarction.
The pain of angina pectoris is produced primarily by?
Myocardial ischemia.
How do you describe myocardial ischemia?
Myocardial ischemia is a coronary artery disease during which the heart tissue is slowly or suddenly starved of oxygen and other nutrients. Eventually, the affected heart tissue will die.
What is the difference between reversible and irreversible ischemia?
Reversible ischemia occurs when blood flow is temporarily restricted to an area, but the tissue is not permanently damaged and can recover if blood flow is restored quickly. Irreversible ischemia, on the other hand, results in permanent tissue damage due to prolonged lack of blood supply, leading to cell death and potentially organ dysfunction.
What does myocardial ischemia look like on an ECG?
The ECG sign of subendocardial ischemia is ST segment depression. Note that ECG is used more now that EKG.
What kinds of health problems can be caused by blockages in coronary arteries?
Myocardial ischemia or infarction. (Heart attack)
A ventricular wall motion abnormality that is reversible with nitroglycerin is?
likely due to coronary artery vasospasm, which can result in transient ischemia. Nitroglycerin dilates coronary arteries, increasing blood flow to the affected area and relieving the spasm-induced wall motion abnormality. It is important to investigate the underlying cause of vasospasm and address any coronary artery disease risk factors.
Is inferolateral ischemia curable?
Ischemia of any type is reversible. If ischemia is prolonged, it can turn to injury or infarction (in the case of the heart) and cell death, at which time it is not reversible or curable. There are studies with stem cells ongoing to attempt to regrow cardiac cells in heart attack scars, however, so this may not be a permanent condition forever.
What is the prevalence of myocardial ischemia in the US?
According to the American Heart Association, up to four million Americans may have silent ischemia and be at high risk of having a heart attack with no warning.
