Exercise Pacemaker Physiology 
Cardiomatics
APRIL 5, 2024
Interpreting the waves and detecting abnormalities: Typically, the heart conducts electricity in a pathway starting in the sinoatrial node (SA), our heart’s “natural pacemaker”, located in the wall of the right atrium. In healthy individuals occurs during exercising or strong emotions. Usually does not exceed 160 bpm.
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. Sanjay Gupta
MARCH 6, 2022
It is also unique because it works using the Doppler effect, you can get not only an anatomical evaluation of the heart but also physiological assessment. Some patients with pacemakers and metal prosthesis can’t be exposed to such strong magnetic fields. We then exercise the patient, give the dye again and take another image.
Physiologically Speaking
OCTOBER 18, 2024
Welcome to the Physiology Friday newsletter. Physiologically Speaking is a reader-supported publication. Many people carefully adjust their diets, follow specific exercise routines, and track their sleep with wearable devices, all in the pursuit of becoming the healthiest version of themselves.
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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