If patients have fast heartbeat and panic, there are usually the following factors: 1. Physiological factors, these factors are usually due to emotional excitement, excessive mental tension, severe anxiety, fatigue, excessive late night leading to plant nerve dysfunction, drinking large amounts of strong tea and strong coffee, as well as smoking and alcohol abuse. 2. Plant nerve dysfunction caused by The heart will also have the above-mentioned situation. 3, for endocrine metabolic disorders, such as hyperthyroidism, hyperadrenocorticism, will also have a fast heartbeat and panic. 4, for organic heart lesions, such as coronary heart disease, malignant arrhythmia, cardiomyopathy, myocarditis, heart valve disease, hypertensive heart disease, rheumatic heart disease, etc., will also have a fast heartbeat and panic.