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skos:definition |
MSH: Disturbance in the atrial activation that is caused by transient failure of impulse conduction from the SINOATRIAL NODE to the HEART ATRIA. It is characterized by a delayed in heartbeat and pauses between P waves in an ELECTROCARDIOGRAM.,NCI: A blockage of electrical conduction within the sinoatrial node resulting in the prolongation or failure (intermittent or complete) of impulse transmission from the sinoatrial node to the surrounding atrial tissue.,NCI: A blockage of electrical conduction within the sinoatrial node resulting in the failure of impulse transmission from the sinoatrial node. (NCI)
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