How to investigate the cause of myocardial ischemia

May 11, 2023 Source: Cainiu Health

Dr. Tian Hongbo

Introduction

The causes of myocardial ischemia can usually be identified through tests such as coronary angiography, electrocardiogram (ECG), and echocardiography. When myocardial ischemia occurs, it may interfere with the normal ventricular repolarization process, leading to abnormal ST-segment changes in the ECG leads corresponding to the ischemic area. Coronary angiography allows direct visualization of blockages in the main coronary arteries and their smaller branches, clearly revealing the location of myocardial ischemia.

Myocardial ischemia can usually be diagnosed through methods such as coronary angiography, electrocardiogram (ECG), and echocardiography. The specific details are as follows:

1. Coronary Angiography

When myocardial ischemia occurs, it may interfere with the normal depolarization of the ventricles, leading to abnormal ST-segment changes in the corresponding ECG leads. Coronary angiography allows direct visualization of blockages in the main coronary arteries and their smaller branches, clearly identifying the location of myocardial ischemia.

2. Electrocardiogram (ECG)

The ECG is primarily used to detect ischemic changes in the ST segment, thereby indirectly assessing the presence of myocardial ischemia.

3. Echocardiography

Echocardiography is mainly used to evaluate whether there are abnormalities in cardiac structure and function. Severe ischemia may lead to reduced myocardial contractility. During echocardiography, segmental wall motion abnormalities are often observed, which serve as strong indicators of myocardial ischemia.

In addition to the above methods, stress testing can also be performed. If patients experience any discomfort, they should seek timely medical attention.

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What is the folk remedy for treating myocardial ischemia?

In general, there is no such thing as a folk remedy for treating myocardial ischemia. Myocardial ischemia may be caused by factors such as aging, excessive fatigue, mental stress, hypertension, or dilated cardiomyopathy. It is important to maintain healthy lifestyle habits, avoid excessive fatigue and mental stress, engage in moderate exercise, follow a low-salt, low-fat, and low-sugar diet, and effectively manage indicators such as blood pressure, blood glucose, and blood lipid levels.

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What are the risks of myocardial ischemia, and how can it be managed?

Under normal circumstances, the hazards of myocardial ischemia may include triggering angina pectoris, affecting cardiac function, causing arrhythmias, inducing heart failure, and increasing the risk of sudden death. It can be managed through lifestyle adjustments, dietary regulation, emotional management, medication, and regular check-ups. If any discomfort occurs, timely medical attention is recommended.