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Prevention of myocardial infarction on hot summer days

Prevention of myocardial infarction on hot summer days

     Myocardial infarction is not a disease unique to the winter. Rather, it is related to changes in temperature, especially in the extremely hot and humid summer weather. Intense exercise and prolonged activities under the blazing sun can easily cause tachycardia. The lack of hydration causes dehydration, and the flow of blood to limbs and muscles causes insufficient blood flow to the heart, which then increases the risk of myocardial infarction. In addition, there is also a risk of heat stroke in humid and hard to dissipate heating conditions.

     Dr. Chou Po-Han of Taipei City Hospital, Heping Fuyou Branch, said that acute myocardial infarction is the sudden loss of blood flow in the coronary artery due to a complete thrombus blockage, leading to the necrosis of cardiac muscles. More than half the patients die before arriving to the hospital, also known as sudden death. Approximately 70% of patients have the main symptom of chest pain, which usually lasts over 30 minutes. The locations of the pain are usually behind the sternum or at the precordium region. However, 10% of patients may have chest pain at the xiphoid process of the sternum or upper abdomen, which are easily misdiagnosed as abdominal pain. Approximately 25% of patients do not have chest pain, otherwise known as painless myocardial infarction. This type of painless myocardial infarction becomes more common with more advanced age and is often misdiagnosed, which makes it more dangerous. Hence early diagnosis and early treatment are critical.

     Dr. Chou emphasized the treatment time of acute myocardial infarction. Many people neglect the severity of acute myocardial infarction, but time is crucial, early treatments have better outcomes. Time is life. Any patients with warning signs should immediately seek medical evaluation and treatment. If the conditions show no improvements after 5 minutes of observation, go to the hospital at once. Do not drive by yourself, ask someone to take you to a large hospital or call 119 for an ambulance. According to statistics, approximately 30% of “acute myocardial infarction” patients have sudden death as the first symptom. Therefore, the best prevention of sudden death is the prevention of “acute myocardial infarction”.

  • Hit: 304
  • Updated: 2018/2/6 10:45
  • Reviewed: 2018/2/6 10:44

  • Source: Taipei City Hospital
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