What's the reason for sudden fainting

summary

I believe many people have fainted. At this time, we should pay attention to whether it is related to diet. Fainting is a kind of sudden, transient and transient loss of consciousness and fainting. Sometimes on the road, we will see someone suddenly faint, and people around are at a loss. What's the reason for sudden fainting? Let me tell you.

What's the reason for sudden fainting

First: cardiogenic syncope (fainting). Because of arrhythmia, myocardial infarction and other reasons caused by a sudden decrease in cardiac output. Especially common in atrioventricular block, ventricular paroxysmal tachycardia, etc.

Second: reflex syncope. This is a common form of fainting. (1) Due to the increased tension of vagus nerve. (2) Postural syncope usually occurs when the supine position turns to upright position. (3) Carotid sinus anaphylactic fainting.

Third: urination syncope (fainting). It occurs suddenly when urinating or after urinating. It is more common in men, especially when they get up at night to urinate or urinate too long.

matters needing attention

Usually to avoid excessive fatigue, more to ensure adequate sleep. Keep a good mood and avoid being too nervous and depressed. But also to strengthen physical exercise, enhance the body's resistance.