Cardiology

Heartbeat out of sync

Life-threatening cardiac arrhythmias often occur after a heart attack, as the scar tissue can interfere with the spread of electrical impulses that activate the heart. An international research team under the leadership of ...

Cardiology

Most common arrhythmia: intra-atrial re-entrant tachycardia

(HealthDay)—For patients with congenital heart disease and atrial arrhythmias, the most common presenting arrhythmia is intra-atrial re-entrant tachycardia (IART), according to a study published in the Aug. 15 issue of ...

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