Sinus node arrhythmia is a violation of the sequence of heart contractions that occurs due to malfunction of the sinus node, which controls the process of excitation of the heart muscle. Arrhythmia can be either constant or episodic. This phenomenon occurs at any age, but is most often diagnosed in adults after forty-five years.
How does it manifest? This disease is characterized by suddenness: for the onset of arrhythmia, a strong experience or stress is necessary, then the heart begins to beat irregularly, sharply and frequently. The patient himself, suffering from sinus arrhythmia, almost never feels any pain symptoms, but those around him can sometimes feel