In autumn and winter, the temperature difference between indoor and outdoor is large, and the violent contraction of blood vessels tends to make the plaques attached to the walls of blood vessels fall off, and the plaques flow with the blood to the narrow places will easily block the blood vessels. Now it is autumn and winter, the weather is getting colder, the incidence of cardiovascular disease also entered the high season. Beware of these alarm symptoms! In addition to keeping warm and adjusting your medication to keep your blood pressure stable, remember to pay attention to the following “alarm” symptoms of heart disease, and don’t fight these problems. 1, chest pain Chest pain is the most common symptom of heart attack. Not only chest pain requires vigilance, but this pain sometimes appears in the left shoulder, jaw, and possibly in the stomach. Be sure not to ignore these symptoms, heart attack is a disease that can kill you at any time! Go to the hospital promptly and ask your doctor to determine if it is a heart attack. If you go to the hospital because of stomach pain or shoulder pain, the doctor recommends checking the electrocardiogram, so be sure to cooperate. 2, palpitations Palpitations are a common symptom of arrhythmia, some people will feel that their heart has missed a beat, and others will suddenly feel a series of rapid, irregular heartbeats. If you feel palpitations by chance, there is generally no big problem, mostly related to fatigue, mental state; but if palpitations occur frequently, it may be a manifestation of disease, like some arrhythmias, hyperthyroidism, etc. In the absence of hunger and other conditions, the onset of palpitations, as well as dizziness, is likely to be a more dangerous ventricular arrhythmia, must not be taken lightly, immediately go to the hospital.