What causes a severely pounding heart?

Severe palpitations may be caused by overexertion, myocarditis, hyperthyroidism, cardiac neurosis, hypertensive heart disease, or other conditions.

1. Overexertion

Excessive physical or mental strain may activate the sympathetic nervous system, triggering the release of stress hormones such as adrenaline and noradrenaline, which increase cardiac contractility and heart rate, leading to noticeable palpitations. Usually, no specific treatment is required. Symptoms can improve through lifestyle adjustments, adequate rest, and reducing stress and fatigue.

2. Myocarditis

Myocarditis may cause abnormal electrical activity in the heart, disrupting normal rhythm regulation and resulting in tachycardia, atrial fibrillation, or other arrhythmias. Additional symptoms may include chest tightness and shortness of breath. Treatment may include medications such as spironolactone capsules, propafenone hydrochloride tablets, or digoxin tablets, as prescribed by a doctor, to enhance myocardial contractility and relieve symptoms.

3. Hyperthyroidism

Excessive stimulation from thyroid hormones may cause stronger cardiac contractions, leading to arrhythmias such as atrial fibrillation or ventricular premature beats. It may also trigger insomnia and anxiety. It is recommended to take medications such as propylthiouracil tablets, methimazole tablets, or carbimazole tablets under medical guidance to suppress thyroid hormone secretion and alleviate symptoms.

4. Cardiac Neurosis

Prolonged emotional instability and poor emotional control may lead to abnormal excitation of the sympathetic nervous system, causing dysregulation of neural function and resulting in symptoms such as increased heart rate and palpitations. After diagnosis, patients may consult a doctor about taking oryzanol tablets, brain-nourishing and tranquilizing tablets, or compound danshen dripping pills to promote recovery with appropriate medication.

5. Hypertensive Heart Disease

If high blood pressure remains uncontrolled for a long time, it increases the heart's workload, leading to significant left ventricular enlargement and enhanced myocardial contractility. This may manifest as angina, weakness, and fatigue. It is advisable to follow medical advice and use medications such as metoprolol succinate extended-release tablets, benazepril hydrochloride tablets, or enalapril maleate tablets to relieve symptoms early on.

In daily life, ensure sufficient rest, maintain a balanced routine, and follow a reasonable diet. If symptoms persist or worsen, seek medical attention promptly and undergo appropriate examinations and treatments as directed by a healthcare provider.