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Heart rhythm disturbances are situations in which the heart muscle works irregularly – too fast, too slow or irregular. Arrhythmia can occur as a result of hypoxia, injury, or stress. Cardiac arrhythmias are treated with drugs or electricity.
Cardiac arrhythmias – types
Disturbances in the regularity and regularity of the heartbeat are called arrhythmias. These disorders consist in accelerating (tachycardia) or dismissal (bradycardia) while maintaining the rhythmicity, or just the disturbance of this rhythmicity, known colloquially arrhythmia.
Heart rhythm disturbances – causes
Heart rhythm disturbances may result from:
- hyperactivity and increased reactivity of the nervous system,
- myocardial hypoxia.
- permanent damage to the heart muscle caused, for example, by advanced atherosclerotic changes, a history of infarction, and toxic damage (e.g. in hyperthyroidism).
Patients most often complain of extra contractionswhich are associated with “dying of the heart”. This feeling is conditioned by the fact that the unexpected, faster appearing additional contraction is followed by a longer resting phase, the so-called compensatory break.