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URL:https://www.learndesk.us/class/5446546516606976/lesson/07945cee3cbfc10d2933823d62367c99?ref=outlook-calendar
SUMMARY:The Vagal Brake
DTSTART;TZID=America/Los_Angeles:20260515T190000
DTEND;TZID=America/Los_Angeles:20260515T200000
LOCATION:https://www.learndesk.us/class/5446546516606976/lesson/07945cee3cbfc10d2933823d62367c99?ref=outlook-calendar
DESCRIPTION: Your heart speeds up during inhale and slows down during exhale. This acceleration and deceleration of heart rate are called respiratory sinus arrhythmia, or RSA.
Contrary to how it sounds, respiratory sinus arrhythmia is not, technically speaking, an arrhythmia, but rather the heart’s normal acceleration during inhalation and deceleration during exhalation. This natural fluctuation may not be clock-like, may not adhere to the idea of a metronome, but that does not mean it is arrhythmic. In fact, fluctuations in heart rate are most pronounced in children, before they learn to breathe with their chest, in professional athletes, and in individuals who practice slow, abdominal breathing.
What is a disorder is for there to be little or no fluctuation. Stress is a common cause of such reduction in heart rate fluctuations. 
The Vagal Brake
The vagus nerve is the primary nerve in the parasympathetic nervous system. During each exhale, the vagus nerve increases its electrical...

https://www.learndesk.us/class/5446546516606976/lesson/07945cee3cbfc10d2933823d62367c99?ref=outlook-calendar
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