What examination does coronary heart disease use

summary

There are many friends will not understand exactly what kind of symptoms is coronary heart disease, how to diagnose whether suffering from coronary heart disease? These problems have been plagued by people, we in the hospital, should do coronary heart disease examination, such as ECG or ECG stress test, and dynamic electrocardiogram, or radionuclide myocardial imaging, 64 slice CT, these methods are to let us know, whether we have coronary heart disease, we can also according to the symptoms to judge, let's understand a specific Coronary heart disease.

What examination does coronary heart disease use

First: electrocardiogram: electrocardiogram is the earliest, most commonly used and the most basic diagnostic method in the diagnosis of coronary heart disease. Compared with other diagnostic methods, electrocardiogram is convenient to use and easy to popularize. When the patient's condition changes, it can timely capture the changes, and continuously observe and carry out various load tests, so as to improve its diagnostic sensitivity, whether it is angina pectoris or myocardial infarction, All have their typical ECG changes, especially the diagnosis of arrhythmia has its clinical value, of course, there are some limitations.

Second: ECG stress test: mainly including exercise stress test and drug test (such as dipyridamole, isoprenaline test, etc.), ECG is the most commonly used simple method for clinical observation of myocardial ischemia. When angina pectoris attacks, ECG can record the abnormal ECG manifestations of myocardial ischemia, but many patients with coronary heart disease, although the maximum reserve capacity of coronary artery dilation has declined In order to reveal the reduced or relatively fixed blood flow, exercise or other methods can be used to load the heart, induce myocardial ischemia, and then prove the existence of solid angina pectoris. Exercise test can evaluate the cardiac function after ischemic arrhythmia and myocardial infarction It's also essential.

Third: dynamic electrocardiogram (Holter): it is a method that can continuously record and analyze the ECG changes of the heart in the active and quiet state for a long time. Holter first used this technology to monitor the electrical activity in 1947, so it is also called Holter monitoring. The conventional electrocardiogram can only record the waveform of only dozens of short cardiac cycles in the resting state, while the dynamic electrocardiogram can only record the waveform within 24 hours It can continuously record up to 100000 times of ECG signals, which can improve the detection rate of non persistent ectopic rhythm, especially transient arrhythmia and transient myocardial ischemic attack. Therefore, it expands the scope of clinical application of ECG, and the occurrence time can be corresponding to the patient's activity and symptoms.

matters needing attention

We should note that when doing the examination, myocardial radionuclide scanning is very sensitive, so when we do this examination, we can directly judge whether we have myocardial infarction or complications of myocardial infarction. Myocardial radionuclide scanning is the most commonly used in the diagnosis of coronary heart disease.