Pathologic Function
sinus bradycardia
si·nus brad·y·car·di·a [ sahy-nuhs brad-i-kahr-dee-uh ]
Definitions related to sinus bradycardia:
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A disorder characterized by an electrocardiographic finding of abnormally slow heart rate with its origin in the sinus node. Thresholds for different age, gender, and patient populations exist. (CDISC)NCI ThesaurusU.S. National Cancer Institute, 2021
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Bradycardia related to a mean resting sinus rate of less than 50 beats per minute.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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A disorder characterized by a dysrhythmia with a heart rate less than 60 beats per minute that originates in the sinus node.Common Terminology Criteria for Adverse EventsU.S. National Institutes of Health, 2021
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Sinus bradycardia can be defined as a sinus rhythm with a resting heart rate of 60 beats per minute or less. However, few patients actually become symptomatic until their heart rate drops to less than 50 beats per minute.WebMD, 2019
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