Panic, also known as palpitations, can be characterized by weakness, panic attacks, dizziness, chest tightness and other symptoms, which vary from person to person. Tachycardia or bradycardia, arrhythmia can cause palpitations, the causes of palpitations include smoking, drinking strong tea and coffee, drugs, heart disease, hyperthyroidism, anemia, etc. When palpitations occur, there may be panic attacks, fatigue, dizziness, chest tightness, irritability, etc., and even chest pain, sweating, dyspnea and other uncomfortable symptoms, and the serious cases can be dangerous to life and health. If the symptoms of intolerance need to consult a doctor in time, identify the cause of the disease in a timely manner to comply with the doctor’s instructions for symptomatic treatment, daily attention to pay close attention to the changes in their own condition, a light diet, pay attention to rest, maintain a relaxed mood.