What causes an erratic heartbeat that comes and goes?

The professional term for unstable and slow heartbeat is palpitation, which is divided into physiological and pathological, and the pathological causes include cardiovascular diseases and endocrine diseases.
1. Physiological: palpitations may occur in normal healthy people, such as after drinking strong tea or coffee, when the mood is overly excited or after strenuous exercise, etc., which is a normal physiological phenomenon and does not require additional special treatment.
2. Pathological: cardiovascular disease is the most common cause of palpitations, the representative diseases include arrhythmia, hypertension, heart failure, ventricular hypertrophy and mitral valve insufficiency; endocrine diseases can also cause palpitations, such as hyperthyroidism, pheochromocytoma and hypoglycemia and other diseases.
If you suspect that this phenomenon is caused by a pathological reason, it is recommended to go to the hospital in time.