Premature beats, or preterm contractions, are contractions of the heart caused by premature impulses emanating from an ectopic pacing point, i.e., a site other than the sinus node, and are a common cardiac arrhythmia. Premature beats may be converted to normal sinus rhythm by coughing. Coughing may also stimulate the vagus nerve, which can lead to a slowing of the heart rate, and the patient may be self-conscious about the disappearance of the symptoms.
Common symptoms in patients with preterm contractions are palpitations, a feeling of cardiac arrest, chest tightness, and fatigue, while some patients do not experience any symptoms. Most patients with preterm contractions without organic heart damage do not need special treatment, and those with severe symptoms can be treated with beta-blockers (e.g., metoprolol, bisoprolol) and other medications as prescribed by the doctor.
Although the patient can temporarily relieve symptoms by coughing during the onset of premature contractions, it cannot be ruled out that it is related to coronary artery disease, hypertension, hyperthyroidism, etc. It is recommended that the patient go to a regular hospital in time to improve the relevant examination and standardized treatment under the guidance of the doctor.