Paroxysmal atrial tachycardia is associated with an ectopic pacing focus in the atrial myocardium. It may be precipitated by a variety of stimuli.


Cardiac disease:

(1) cardiomyopathy (including alcoholic)

(2) ischemic heart disease

(3) rheumatic heart disease

(4) sick sinus syndrome

(5) digoxin toxicity

(6) Wolff-Parkinson-White syndrome


Other conditions:

(1) chronic obstructive pulmonary disease (COPD)

(2) thyrotoxicosis


It also may occur in persons without identifiable underlying pathology (idiopathic), especially in the elderly.


To read more or access our algorithms and calculators, please log in or register.