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Ectopic beat is a disturbance of the cardiac rhythm frequently related to the electrical conduction system of the heart, in which beats arise from fibers or group of fibers outside the region in the heart muscle ordinarily responsible for impulse formation (i.e., the sinoatrial node).
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).
Palpitations are perceived abnormalities of the heartbeat characterized by awareness of cardiac muscle contractions in the chest, which is further characterized by the hard, fast and/or irregular beatings of the heart.
A sign reading: 'I AM AN AMERICAN', on the Wanto Co grocery store at 401 - 403 Eighth and Franklin Streets in Oakland, California, the day after the attack on Pearl Harbor, 8th December 1941.
Heart rate variability visualized with R-R interval changes Electrocardiogram (ECG) recording of a canine heart that illustrates beat-to-beat variability in R–R interval (top) and heart rate (bottom).
Kyler Murray - Contract value: $230.5 million - Career NFL record: 34-43-1 - Approximate career value: 62. 2018 Heisman Trophy winner Kyler Murray was the top pick in the 2019 NFL draft.
How each defense performs against the elite quarterback on the other side of the field will be a crucial data point. The Bills' two losses this season have come at the hands of Lamar Jackson and C ...
Cardiopulmonary resuscitation (CPR) is an emergency procedure consisting of chest compressions often combined with artificial ventilation, or mouth to mouth in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.