The six commonly used examination methods for cardiovascular diseases are fully explained in this article


alopah Date:2021-08-31 14:32:48 From:alopah.com
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Cardiovascular examination is not only a kind of ECG, but also includes exercise load test, echocardiography, coronary CT, myocardial enzyme, angiography and cardiac radionuclide examination. There are so many checks! Today, alopah invited experts to explain it. In a vivid way, we compare our heart to a house. There are circuits, overall structure and water supply and drainage in the house. No matter what goes wrong, we are very upset. And these checks are to see what’s wrong with the things in the house.

 

1,ECG

 

ECG is a method of checking the heart by detecting the current of the heart. It is used to check the electrical appliances and circuits in the house. When myocardial ischemia occurs, the electrical activity of the heart will change, just as the current will change when the electrical appliance is broken, which is reflected in the ECG. ECG is the most common and simple method to diagnose coronary heart disease.

 

However, there is a problem with ECG examination, that is, if there is no chest pain during ECG, the image of myocardial ischemia may not be collected. At this time, it is necessary to check whether there is myocardial ischemia by increasing the activity of the heart.

 

Exercise load test is to accelerate the heart through exercise. The heart will work more and the myocardial oxygen consumption will increase. At this time, ECG can be used to find out whether there is myocardial ischemia.

 

Cardiovascular disease

 

2,Echocardiography

 

Echocardiography can see the structure of the heart. Echocardiography is a method to detect the structure and motor function of the heart by using Doppler principle.

 

Echocardiography can clearly show the heart structure, such as the thickness of the heart wall, the size of the heart cavity, the opening and closing of the heart valve, as well as the movement of the heart wall, and can accurately measure the patient’s cardiac function. Figuratively speaking, echocardiography is equivalent to a radar detector to detect whether your heart structure is reasonable, whether the wall is stable, and whether the door is tightly closed.

 

3,Coronary artery CT examination

 

The role of coronary CT is to check our blood vessels, see if there are calcifications and plaques, and judge whether the blood vessels are unobstructed. Figuratively speaking, it is equivalent to checking the water supply pipes in our hearts to find out if the coronary artery is blocked in time. This coronary CT is like Super Mario, plumber!

 

4,Coronary angiography

 

Coronary angiography is to inject contrast agent into the blood vessel to develop the coronary artery, so as to understand the direction and lumen size of the coronary artery. Compared with coronary CT, coronary angiography is more direct and reliable. It can clearly show whether there is coronary artery stenosis, the location, degree and scope of stenosis and the blood flow of diseased vessels. At present, coronary angiography is the gold standard for the diagnosis of coronary heart disease.

 

5,Myocardial enzyme test

 

Myocardial enzyme test is to detect the content of some enzymes in the blood. These myocardial enzymes are released into the blood after local myocardial necrosis. Therefore, the increase of myocardial enzyme indicates the existence of myocardial necrosis. This test is one of the important means to diagnose myocardial infarction. Myocardial enzyme test is equivalent to a detective who can guess whether the house has been damaged by discovering the peeling walls on your house and some small signs.

 

6,Nuclide inspection

 

Radionuclide examination is to inject radionuclides into the patient’s body. Radionuclides enter the heart with the blood flow, and then they are imaged by a camera specially capturing radionuclides. Radionuclide can appear in atrium, ventricle and myocardium at the same time. Therefore, radionuclide examination can not only observe the state of ventricular contraction and relaxation, but also determine the location and range of ischemia.

 

These are the commonly used tests for cardiovascular diseases. Each test has different uses for the heart.

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