The Difference Between Normal ECG and Holter ECG

Ⅰ. What does the ECG EKG machine check?

The electrocardiogram is one of the four routine clinical examination items, and its application range has far exceeded the scope of cardiovascular disease.

This examination is often required when patients visit a doctor. It is low-cost, non-invasive, and has fast diagnostic results. It can also assist in the diagnosis of cerebrovascular disease and respiratory system diseases.

Electrocardiogram (ECG) is the recording of the electrical activity of the heart on the body surface. The clinical application of ECG machines has a long history of more than 100 years, and the current ECG machines are becoming more and more perfect.

It not only has clear records, strong anti-interference ability, but also is easy to operate and safe to use. It is currently the most commonly used method for early diagnosis of coronary heart disease, myocardial ischemia, myocardial infarction and various arrhythmias.

Ⅱ. How does the ECG EKG machine monitor coronary heart disease?

It mainly includes three aspects:

1. ST segment changes, mainly including ischemic ST segment depression, ST segment straight extension, ST segment elevation or unidirectional curve;

2. Changes in T waves, mainly described as flat or inverted T waves;

3. Other changes, mainly U wave inversion after rest or exercise, left bundle branch block and left anterior branch block, left ventricular hypertrophy, atrioventricular block, various arrhythmias and pathological Q waves.

Although ECG examination is regarded as an important clinical reference data for the diagnosis of coronary heart disease, it is not the only reference basis.

In the non-onset period of coronary heart disease, the detection rate of ordinary ECG is only 30%-50%. Most patients have normal ECG, and ordinary ECG can not be detected, which can easily delay the patient's condition.

Under this circumstance, medical methods have been continuously improved and updated, and the dynamic electrocardiogram came into being, marking an important stage in the development of ECG EKG machine.

Ⅲ. What are the differences between a dynamic ECG EKG machine and an ordinary ECG EKG machine?

Holter electrocardiogram, also known as long-range electrocardiogram, can provide the patient's dynamic cardiac electrical activity information 24 hours a day, and analyze and process it with the help of computer to find arrhythmia and myocardial ischemia that are not easily found in routine body surface electrocardiogram examination.

It provides an important objective basis for clinical diagnosis, treatment and judgment of curative effect, and makes up for the shortcoming of the low detection rate of ordinary ECG EKG machine.

Holter is a supplement to ordinary ECG, we cannot completely eliminate the important role of ordinary ECG examination, and ECG Holter machine cannot completely replace ordinary ECG.

For example, the dynamic ECG recording leads are limited, which is of little significance to the ST segment changes, and cannot accurately judge myocardial ischemia, so it is necessary to rely on ordinary ECG examinations.

Therefore, in clinical practice, we need to choose according to different needs. The dynamic ECG EKG machine and the ordinary ECG EKG machine cannot replace each other. Everything must be in accordance with the doctor's order, and the doctor will determine the type of examination.

Therefore, in clinical application, we also choose appropriate ECG examination methods according to different needs. Both have their own advantages and cannot replace each other.

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