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Back to Cardiovascular Diseases
Sinus bradycardia
In sinus bradycardia, electrical activity originates from the sinus node area
but does so with a slow rate (<60 bpm).
ECG readings
The ECG reveals an atrial rate of less than 60, P waves with a normal
configuration and axis, and otherwise normal baseline, PR interval, QRS, and
ST-T wave pattern.
Treatment
Asymptomatic patients require no therapy. In symptomatic patients, therapy is
directed toward the underlying etiology, and treatment includes atropine, or cardiac pacing.
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