the electrical impulse does not come from the sinus node. They can accompany any heart disease, and in half of the cases are not associated with it at all, reflecting the effect on the heart of vegetative and psycho-emotional disorders, as well as the balance of electrolytes in the body, drug treatment, alcohol and stimulants, and smoking.
Symptoms and course. Patients either do not feel extrasystoles, or feel them as an increased push in the region of the heart or its fading. This corresponds to the weakening or loss of the next pulse wave when examining the pulse, and premature heart sounds when listening to the heart. The value of extrasystoles is different. Occurring occasionally with a healthy heart are traditionally not significant, but their increase sometimes indicates an exacerbation of an existing disease (ischemic heart disease, myocarditis) or an overdose of cardiac glycosides. Frequent atrial extrasystoles (the impulse comes from the atrium, but not from the sinus node) do not often herald atrial fibrillation. Particularly unfavorable are frequent various ventricular extrasystoles (the impulse comes from the right or left ventricle), which may be harbingers of ventricular fibrillation.
Treatment in the first place of the underlying disease. Rare extrasystoles do not require special treatment. As antiarrhythmic drugs, belloid is used (for bradycardia), for supraventricular extrasystoles – obzidan, verapamil, hipidine, for ventricular extrasystoles – lidocaine, novocainamide, difenin, etmosin, etatsizin. With all types, you can use cordarone (amiodarone), disopyramide (ritmilen, norpase).
If extrasystoles arose against the background of taking cardiac glycosides, then they are temporarily canceled, potassium products are prescribed.