With the improvement of people's living standards, a large number of elderly people who go to Hainan in winter and return to their hometown in spring and summer have appeared all over the country, especially in Northeast China. From April to August every year, a large number of "migratory life" elderly people are returning home from high temperature areas such as Sanya, Hainan, especially in Northeast China, the temperature change is large and the temperature difference between day and night is large, and the elderly returning home should pay attention to the following "three risks".

First, understanding the danger: most areas in Northeast China have stopped heating in early April, especially in continuous low temperature, rainy and windy weather, indoor and outdoor temperatures are significantly lower than Sanya, Hainan and other places, the temperature difference between the two places is up to 30℃. Multiple data show that for every 1℃ drop in temperature, the systolic blood pressure increases by 1.3mmHg and the diastolic blood pressure increases by 0.6mmHg. Temperature drop, pressure increase, peripheral vascular contraction, blood flow resistance increase, blood pressure increase, which may lead to Blood vessels spasm, plaque rupture, platelet aggregation and thrombosis. The self-regulatory mechanism of the elderly is sometimes difficult to keep up with the sudden change of climate, which leads to the occurrence of cardiovascular diseases such as angina pectoris, acute myocardial infarction, heart failure, and the deterioration of the disease for elderly patients with cardiovascular diseases.

Second, risk avoidance: for the "migratory birds" who return to their hometown in Northeast China in early spring, temperature changes are full of crises for elderly people suffering from cardiovascular diseases such as hypertension, coronary heart disease, and heart failure. How to avoid the above risks, we must first pay attention to the monitoring of heart rate and blood pressure, closely observe changes, detect abnormalities in time, and prevent delays in the disease. Second: Visit a specialist to improve the examination for cardiovascular diseases, and make targeted and reasonable adjustments to drugs according to the changes in the condition after return to reduce the possibility of cardiovascular accidents. Moreover, emotional fluctuations should be reduced, especially for the elderly who participate in sacrificial activities around the Qingming Festival, but also to control their emotions and mentality to prevent sudden cardiovascular accidents.

Third, improve the insurance: For the elderly who live in Hainan and other places for a long time and return home recently, the first thing to pay attention to is whether their medical insurance is paid in time, and it is clear whether the medical insurance card can be used normally. Second, pay attention to take care of the medical insurance card and medical insurance manual, once the symptoms of discomfort can be carried to medical treatment at any time, so as not to find the above documents and affect the medical treatment time.

For elderly people who live like migratory birds, when traveling between the two places with large temperature differences, please pay attention to the recommendations made by the doctor for you, especially for the elderly with cardiovascular diseases, but also pay attention to the above reminders to reduce the occurrence of cardiovascular accidents.

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