Traditional Culture Encyclopedia - Weather forecast - Can hot weather affect blood pressure?

Can hot weather affect blood pressure?

1 Factors affecting the change of blood pressure The level of blood pressure is not only closely related to heart function, vascular resistance and blood volume, but also influenced by factors such as nerves and body fluids. In addition, differences in age, season, climate and occupation will also lead to different blood pressure values; Exercise, diet, mood changes, defecation, sexual intercourse, etc. It may also increase blood pressure. On the contrary, things like rest and sleep can lower blood pressure.

Does hot weather affect blood pressure? Hot weather may affect blood pressure.

Generally speaking, compared with winter, blood pressure in summer is relatively low, but hot weather makes people prone to anxiety and other emotions, which may temporarily increase blood pressure, and the amount of increase varies from person to person.

Because of the cold weather in winter, blood vessels are easily contracted by cold, which increases the pressure on blood vessels. At the same time, the weather is dry in winter, people drink less water and their blood is sticky. Therefore, the temperature in winter is slightly higher than that in summer, and cardiovascular diseases are more likely to occur.

Why does blood pressure change in hot weather? When people are emotional and anxious, it will cause higher nervous activity's disorder, increase the reactivity of the higher autonomic nerve center that regulates blood pressure, increase the secretion of vasoactive substances such as catecholamines in the blood, and make arterioles spasm and contract, thus raising blood pressure.

How to control blood pressure in hot weather 1. Hot weather has a great influence on blood pressure, so it is of great significance to control emotions and keep a calm mind to prevent the occurrence and development of hypertension.

2. When the weather is hot, people tend to sweat a lot, and blood concentration easily affects blood pressure. Therefore, it is necessary to replenish enough water, even if it is not hot, pay attention to hydrating, and replenish water in time when sweating for a long time.

3. Adhere to diet therapy. Daily salt intake should be controlled below 5g, and fresh vegetables, fruits and bean products rich in potassium and calcium should be increased.

4. Ensure adequate sleep. When the sleep quality of patients with hypertension declines in summer, blood pressure may increase at night, so we must do a good job of cooling and heatstroke prevention to maintain normal sleep.

5. Adjust antihypertensive drugs. In summer, if the blood pressure of hypertensive patients fluctuates greatly, they can adjust their medication under the guidance of doctors to avoid cardiovascular and cerebrovascular diseases caused by too low or too high blood pressure.