What is the reason for the fast heart rate? Give me an analysis

There are many reasons for the rapid heartbeat, which are generally divided into physiological and pathological. If it is physiological reasons, including exercise, emotional tension, fatigue, drinking strong tea, strong coffee and so on. Secondly, it may also be caused by drugs. Some drugs can raise the heart rate, such as atropine. There are many pathological factors, and many diseases can be manifested as increased heart rate. Hyperthyroidism, heart failure, anemia, etc. Can cause the heart rate to be too fast. In addition, arrhythmia can also lead to tachycardia caused by physiological reasons such as tachycardia, atrial fibrillation and paroxysmal supraventricular tachycardia, including strenuous exercise, excessive mental stress, drinking alcohol, drinking strong tea or coffee, pregnancy and so on. The causes of pathological tachycardia include systemic diseases, such as cardiovascular diseases, hyperthyroidism, anemia, high fever, infection and so on. The reasons for high heart rate are: 1. Physiological factors: such as strenuous activity, emotional excitement, smoking, drinking, drinking tea or coffee, etc. 2. Pathological factors: arrhythmia diseases such as atrial fibrillation, atrial flutter, supraventricular tachycardia, ventricular tachycardia, etc. Can cause tachycardia; In addition to arrhythmia, other diseases such as infection, shock, anemia, fever, hyperthyroidism and other diseases can also cause excessive heart rate. The specific reasons need to be analyzed in combination with ECG and medical history.