Sudden thumping of the heart and then very uncomfortable may be physiological reasons or heart disease-induced arrhythmia, can be prescribed with medication such as propranolol and other treatments. Sudden thumping of the heart is mostly arrhythmia, which can be caused by physiological reasons such as drinking a lot of alcohol, coffee, tea, etc., or emotional excitement, fatigue and so on. If the frequency of occurrence is low and can be recovered by itself, no treatment can be done, but if it occurs more frequently, it is necessary to go to the hospital in time for examination and treatment. In addition, this symptom can also be caused by heart disease such as high blood pressure, coronary heart disease, etc. It can be accompanied by pain in the heart area, dizziness and other symptoms, and is usually treated under the guidance of a doctor through the use of β-blockers such as propranolol, etc. The use of this drug may result in dizziness. Adverse effects such as dizziness and bradycardia may occur with the use of this drug, and it is contraindicated in patients with allergies and bronchial asthma. If you experience significant discomfort in the heart that cannot be eliminated on its own, please go to the hospital for examination and treatment according to the doctor’s instructions, and follow the doctor’s instructions for the use of the drug.