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Point: Exercise training-induced bradycardia is caused by changes in intrinsic sinus node function
Author(s) -
Mark R. Boyett,
Yanwen Wang,
Shu Nakao,
Jonathan Ariyaratnam,
George Hart,
Oliver Monfredi,
Alicia D’Souza
Publication year - 2017
Publication title -
journal of applied physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.253
H-Index - 229
eISSN - 8750-7587
pISSN - 1522-1601
DOI - 10.1152/japplphysiol.00604.2017
Subject(s) - bradycardia , downregulation and upregulation , sinoatrial node , heart rate , medicine , cardiology , vagus nerve , chemistry , neuroscience , psychology , stimulation , blood pressure , biochemistry , gene
it is well known that athletes have a resting sinus bradycardia—their resting heart rate can be half the normal value ([7][1])— and this is normally attributed to high vagal tone ([3][2]). This is a logical assumption, because we have known since 1921 from the work of the physiologist Otto Loewi

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