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Bradycardia, also called bradyarrhythmia, is a resting heart rate under 60 beats per minute (BPM). [1] While bradycardia can result from various pathologic processes, it is commonly a physiologic response to cardiovascular conditioning or due to asymptomatic type 1 atrioventricular block.
Children generally have higher heart rates—newborns can range from 70-190 bpm and these averages decrease as they approach school-age to 70-110 bpm, and further decline into adulthood, explains ...
The resting heart rate in children is much faster. In athletes, however, the resting heart rate can be as slow as 40 beats per minute, and be considered normal. [citation needed] The term sinus arrhythmia [26] refers to a normal phenomenon of alternating mild acceleration and slowing of the heart rate that occurs with breathing in and out ...
The slow heart rate may also lead to atrial, junctional, or ventricular ectopic rhythms. Bradycardia is not necessarily problematic. People who practice sports may have sinus bradycardia, because their trained hearts can pump enough blood in each contraction to allow a low resting heart rate .
A medical monitoring device displaying a normal human heart rate. Heart rate is the frequency of the heartbeat measured by the number of contractions of the heart per minute (beats per minute, or bpm). The heart rate varies according to the body's physical needs, including the need to absorb oxygen and excrete carbon dioxide.
Heart palpitations, slow heart rate In April 2022, De Witt left the Air Force and began civilian life. A month later, he noticed heart palpitations, when it feels like your heart is beating too ...
The two branches of the autonomic nervous system work together to increase or slow the heart rate. The vagus nerve acts on the sinoatrial node, slowing its conduction and modulating vagal tone, via the neurotransmitter acetylcholine and downstream changes to ionic currents and calcium of heart cells. [ 4 ]
Degeneration of heart tissue because of aging; Damage to tissues in the heart from heart attack, heart disease or injury; High blood pressure or hypertension; Congenital heart defect which is a permanent disorder present at birth; Heart tissue infection also known as myocarditis -Complication of heart surgery; Hypothyroidism or an underactive ...