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How To Read ECG?

Aug. 08 , 2019

Here is a company who sells Masimo SpO2 Adapter Cable talking about how to read ECG.


If you need any information about Masimo Adapter Cable, feel free to contact us.


Most people only know that an electrocardiogram exists on thick paper with irregular curves. In addition to doctors, very few people can understand ECG. So how do you read the ECG? Masimo Adapter Cable Manufacturer shares with you.


Masimo Adapter Cable

Masimo Adapter Cable


An electrocardiogram consists of a series of waves. Each wave shows every heart cycle. The wave consists of P wave, QRSwave wave, T wave, U wave and QRS wave group. It is important to understand the standard meaning of each wave before looking at the ECG.


(1) P wave: our heartbeat, because of the atrionector. Then go to the theater. The P wave is produced by atrial depolarization, which is the first wave. It reflects the entire process of depolarization of the left and right atrium. The first half is the right atrium and the second half is the half of the left atrium.

(2) QRS complex: The special QRS complex consists of three compact clusters. The Q wave is the first downward wave. The R wave is a high edge upright wave after the Q wave. The S wave represents the downward wave behind the other wave. The reason why it is called QRS group is because these three waves are closely related and reflect the whole process of heartbeat. This group of waves reflects the entire process of depolarization of the right atrium and left atrium. High QRS waves are more common in athletes and hypertensive patients. People with low RQS waves are more likely to be obese or pericardial effusion, myocardial infarction, heart failure and other people.

(3) T-wave: The T-wave is a very low, long-term use of the wave locatedbehind s – T. It is produced by ventricular repolarization. ST wave elevation is common in myocardial infarction, acute pericarditis, angina and hyperkalemia. ST wave decline is often accompanied by coronary heart disease, chronic coronary insufficiency.

(4) U wave: The U wave is behind the T wave and the small is also very low. It is not yet certain whether it is derived from myocardial excitation.


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