Which indicator should be checked for myocardial ischemia?
May 11, 2023
Source: Cainiu Health
Dr. Tian Hongbo
Introduction
Myocardial ischemia is generally assessed using indicators such as glycogen phosphorylase, fractional flow reserve, and electrocardiogram (ECG). The ECG may show various changes, including inverted or upright T waves, ST-segment depression or elevation, prolonged QTc interval, and abnormal U waves. In addition to these common indicators, other factors such as blood lipid profiles may also be considered.
Myocardial ischemia is generally assessed using indicators such as glycogen phosphorylase, fractional flow reserve, and electrocardiogram (ECG). Specific details are as follows:
1. Glycogen Phosphorylase
Glycogen phosphorylase is primarily found in organs such as the heart and brain. It serves as an indicator of myocardial ischemia and can be used to evaluate the extent of myocardial ischemia, hypoxia, or necrosis in the early diagnosis of angina pectoris and acute myocardial infarction.
2. Fractional Flow Reserve (FFR)
This refers to the ratio of the maximum blood flow in a coronary artery with a stenotic lesion to the maximum blood flow in the same artery when it is normal. Based on the specific results of the FFR measurement, this index can help diagnose the presence of myocardial ischemia.
3. Electrocardiogram (ECG)
When myocardial ischemia occurs, the ECG may show various changes, including inverted or upright T waves, ST-segment depression or elevation, prolonged QTc interval, and abnormal U waves.
In addition to the above common indicators, other factors such as lipid profile may also be involved. If any discomfort occurs, medical attention should be sought promptly. Medications such as isosorbide mononitrate sustained-release tablets or Di'ao Xinxuekang capsules may be taken as prescribed by a physician.
