Arrhythmias—disruptions in the rhythm of the heartbeat—after congenital heart disease (CHD) surgery in children are common and contribute to increased morbidity and mortality. Prince Kannankeril, MD, MSCI, and colleagues explored clinical and genetic factors associated with atrial tachycardia (AT) after CHD surgery in infants younger than 1 year old. They examined variants in the genes PITX2 and IL6, which are […]

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