What are the possible causes of sudden syncope?

When we are watching TV, there are always people in the TV series who suddenly faint. You must not think that this only exists on TV. There is also the possibility of sudden fainting in reality. The main cause of syncope is insufficient blood supply to the brain, which leads to ischemia and hypoxia of brain tissue and loss of consciousness. The causes of syncope may be hypoglycemia, hypertension, excessive tension, cerebral infarction, etc.

1, vasovagal syncope. This kind of situation usually happens to young people, and the reasons for fainting are varied and uncertain. There will be no obvious symptoms before fainting, and you can recover quickly afterwards. The inducement is generally cough, emotional tension, fear, strenuous exercise, fasting and so on. There are generally no sequelae after recovery, and generally no special treatment is needed. Exercise and fitness can be prevented, and a few need drug intervention.

2. Cardiogenic syncope. This situation is caused by heart disease. Sudden decrease or even suspension of cardiac output is easy to cause syncope, which is usually caused by arrhythmia or organic heart disease. The corresponding organic heart diseases include acute myocardial infarction, hypertrophic obstructive cardiomyopathy and congenital cyanotic heart disease. This kind of syncope mostly occurs in the elderly, and it is threatening and needs professional diagnosis and treatment.

3. Cerebral syncope. This is because there is something wrong with the blood supply to the brain. When the blood supply to the brain appears circulatory failure, it will lead to insufficient blood supply to the brain. It is also common in the elderly, so we should pay attention to timely prevention and treatment in daily life, especially for cerebrovascular arteriosclerosis, and we should review it regularly and take drugs regularly.

4. Hypotension syncope in upright position. This usually happens when you suddenly change your position. For example, squatting for a long time, and then suddenly standing up, you will feel dizzy and black in front of your eyes. Especially for people who stay in bed for a long time. The main preventive measure is to lie down for a long time and get up slowly, not too suddenly.

There are various reasons for people to faint, so we must pay more attention to our health in our daily life. Develop good eating and rest habits, exercise regularly and have regular physical examinations. Prevention is better than cure!