The harm of sinus tachycardia is immeasurable, and if not treated in time, it may endanger life safety. Experts say the best way to treat this disease is to prescribe the right medicine for the cause. If the situation is urgent, you can use tranquilizers. During treatment, you should maintain a good mood and not be nervous or afraid. 1. Pathological factors (1) Heart failure: Especially in the early stages of heart failure, the heart rate often increases. (2) Hyperthyroidism: Most patients with hyperthyroidism have sinus tachycardia, with a heart rate generally between 100 and 120 beats/min. In severe cases, the heart rate can reach 120 to 140 beats/min. (3) Acute myocardial infarction: During the course of acute myocardial infarction, the incidence of sinus tachycardia can reach 30% to 40%. (4) Shock: Shock can cause sinus tachycardia. In mild shock, the heart rate can reach over 100 beats/min; in severe shock, the heart rate is even faster, exceeding 120 beats/min. (5) Acute myocarditis: Most patients may experience sinus tachycardia that is disproportionate to the increase in body temperature. (6) Other organic heart diseases: all may cause sinus tachycardia. (7) Sinus tachycardia may occur in cases of anemia, fever, infection, hypoxia, autonomic dysfunction, and after cardiac surgery. (8) Drugs: epinephrine and atropine can also cause sinus tachycardia. II. Treatment Treatment is mainly directed at the cause, and sedatives or beta-blockers may be used if necessary. 1. The treatment of sinus tachycardia should focus on treating the primary disease, supplemented by symptomatic treatment when necessary. For sinus tachycardia caused by congestive heart failure, digitalis preparations, diuretics and vasodilators can be used. Correction of sinus tachycardia is often used as one of the indicators for controlling left heart failure. 2. In the treatment of sinus tachycardia not caused by heart failure, such as sinus tachycardia caused by hyperthyroidism, the use of digitalis cannot slow the heart rate. Note: Digitalis overdose can also cause sinus tachycardia. For patients with sinus tachycardia caused mainly by sympathetic nerve excitement and increased catecholamines, beta-blockers, sedatives, etc. can be used. 3. For the treatment of patients with acute myocardial infarction, when there is no obvious heart failure and the sinus rate is continuously >110 beats/min, in order to slow down the heart rate, a small dose of beta-blockers (such as oral atenolol 6.25-12.5 mg) or calcium channel blockers (such as oral diltiazem 15-30 mg) can be temporarily tried, and they can be taken once every 8-12 hours if needed. Sinus tachycardia secondary to left heart failure should be treated primarily for heart failure. |
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