Bradycardia Exercise Physiology 
Physiologically Speaking
JULY 26, 2024
Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. This irregular sleep pattern misaligns circadian rhythms and disrupts physiology. ICYMI: On Wednesday, I published my video interview with Dr. Andrew Koutnik. “The shorter your sleep, the shorter your life.”
Cardiomatics
APRIL 5, 2024
Then, the current flows to an area known as the bundle of His, which divides into two branches (LBB and RBB) and is the only physiological pathway connecting the atria with the ventricles. In healthy individuals occurs during exercising or strong emotions. Sinus bradycardia – sinus rhythm below 60 bpm is a sinus bradycardia.
All About Cardiovascular System and Disorders
MAY 2, 2024
It is a physiological adaptation helping athletes perform physical tasks better than non-athletes. During aerobic exercise which is isotonic, the heart rate and stroke volume increases. Isometric exercise or weight training on the other hand causes only slight increase in cardiac output due to increase in heart rate.
Dr. Smith's ECG Blog
JANUARY 5, 2024
The ECG shows sinus bradycardia but is otherwise normal. He first noticed it while exercising. Written by Willy Frick A 46 year old man with a history of type 2 diabetes mellitus presented to urgent care with complaint of "chest burning." The documentation does not describe any additional details of the history. No labs were obtained.
Dr. Smith's ECG Blog
NOVEMBER 11, 2024
If there is PR prolongation from one to the next, this supports Mobitz I physiology which rarely benefits from pacing. Conversely, if the PR interval is constant , this supports Mobitz II physiology, which is an indication for pacing. This pattern can be seen in both Mobitz I and Mobitz II physiology. History is often helpful.
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