Many friends know that “winter is the season of high incidence of cardiovascular diseases”, so many middle-aged and elderly people and patients will pay special attention to protecting the heart in winter. In fact, it is not uncommon for heart attacks and recurrences to occur in the heat of summer. Why is the heart also prone to problems in summer? Favorites are recommended.
As the temperature rises, the burden on the heart increases
Under high temperature, the subcutaneous blood vessels of the human body expand, the blood flow of the skin increases by 3-5 times than usual, and the blood flow to the heart increases; at the same time, the excitability of the sympathetic nerve increases, which leads to a faster heart rate and increases the workload of the heart. This is a huge burden on the heart, especially for patients with cardiac dysfunction, and can even cause heart failure.
Excessive sweating, increased blood viscosity
In summer, people sweat a lot, and the water in the body evaporates with the sweat, which makes the blood thicker and the flow rate slows down, which in turn leads to ischemia or blockage of cardiovascular and cerebrovascular, and in severe cases, it can cause myocardial infarction or stroke.
Increased Humidity Increases Risk of Cardiac Hypoxia
In summer, there is a lot of rain, the air humidity is high, and the oxygen content is reduced. For people suffering from high blood pressure, coronary heart disease or cerebral arteriosclerosis, the cardiovascular and cerebrovascular already have different degrees of stenosis, and the reduced oxygen content is more prone to hypoxia dizziness, chest tightness and shortness of breath.
Bad mood, poor rest, hidden dangers
The heat is unbearable, and people are prone to irritability, anger, anxiety, tension and other emotional states; in addition, in summer, the days are long and the nights are short, people go to bed late and get up early, and the quality of sleep is greatly reduced. Lack of adequate and effective rest is also an inducement for cardiovascular and cerebrovascular diseases.
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In the hot summer, Xiaokang still wants to remind everyone to pay attention to their heart health. Heart health is related to all aspects of the body, so don’t be careless! Living in accordance with the seasons, in different seasons and environments, you should adjust your rhythm of life in time to maintain a good state and have a healthier and better life.