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Atrial arrhythmias: See: Arrhythmias, atrial.
Arrhythmias are caused by problems with the heart's electrical system, which normally causes a heartbeat to begin and sends electrical impulses through the heart.
Atrial fibrillation is the most common sustained arrhythmia, increases with age, and presents with a wide spectrum of symptoms and severity. Paroxysmal, persistent, and ...
In adults a tachycardia is any heart rate greater than 100 beats per minute. Supraventricular tachycardias may be divided into two distinct groups depending on whether ...
In the specific arrhythmia known as atrial fibrillation, electrical signals no longer start in the sinus node, but rather fire rapidly and haphazardly throughout the ...
Like PVCs, atrial arrhythmias can happen in response to a number of things, including tobacco, alcohol, caffeine, and cough and cold medicines.