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Premature atrial contractions are often benign, requiring no treatment. Occasionally, the patient having the PAC will find these symptoms bothersome, in which case the doctor may treat the PACs. Sometimes the PACs can indicate heart disease or an increased risk for other cardiac arrhythmias. In this case, the underlying cause is treated.
A common arrhythmia that can lead to this form of cardiomyopathy is the common atrial fibrillation. Takotsubo cardiomyopathy (Transient apical ballooning, stress-induced cardiomyopathy) – A type of dilated cardiomyopathy caused by a sudden temporary weakening of the myocardium, which can include emotional stress (i.e. broken-heart syndrome).
Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node).
Ectopic pacemakers can occur within healthy hearts in response to various stimulating events, they can be caused by automaticity or triggered activity, such as: Increased local parasympathetic nervous system activity [3] Elevated sympathetic nervous system output [3] Overstimulation from drugs such as caffeine, [5] digitalis, and catecholamines [6]
Normal sinus rhythm and ectopic beats - premature ventricular contractions (PVC) and premature atrial contractions (PAC) shown on an EKG. PVCs may be found incidentally on cardiac tests such as a 12-lead electrocardiogram (ECG/EKG) performed for another reason. In those with symptoms suggestive of premature ventricular complexes, the ECG/EKG is ...
Multifocal atrial tachycardia is characterized by an electrocardiogram (ECG) strip with three or more discrete P wave morphologies in the same lead, not including that originating from the sinoatrial node, plus tachycardia, which is a heart rate exceeding 100 beats per minute (although some suggest using a threshold of 90 beats per minute ...
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