Low blood pressure in hot weather may be related to factors such as heat stroke and metabolic abnormalities.
Due to the hot weather in summer, the human body may experience heat stroke, high temperature will make the capillary expansion, peripheral resistance decreases, affecting blood circulation, the effective blood volume in the blood vessel is reduced, the stimulation of blood on the blood vessel wall is reduced, which in turn makes the blood pressure drop.
In addition, due to the heat of the day, sweat glands will secrete a large amount of sweat to discharge a large amount of heat, but also metabolic abnormalities, so that more water and inorganic salts are lost in large quantities, in the effective alleviation of the burden on the kidneys at the same time is also the slowing down of the blood flow rate caused by the blood pressure is low.
Therefore, the summer blood pressure is lower than the winter, in the hot weather to drink more water, avoid strenuous exercise, real-time monitoring of blood pressure, when the body appears dizziness, to go to the hospital in a timely manner to check and actively treat, to avoid causing more serious harm to the body.