This mechanism can break down in a variety of ways, but the final pathway in sudden death is the same: the electrical system is irritated and fails to produce electrical activity that causes the heart to beat. The heart muscle can't supply blood to the body, particularly the brain, and t...
535 Heart rate variability response to rapid transition from supine to standing position predicts sudden death in patients with moderate to severe congestive heart failuredoi:10.1016/S1567-4215(03)90341-9SmetaninaI.N.YavelovI.S.AbramkinD.V....
Learn about sudden cardiac arrest, an electrical problem with the heart that triggers a dangerously fast heart rate.
Firefighting leads to a rapid increase in heart rate initiated by sympathetic physiologic arousal from the fire alarm bell. Subsequently, maximal or near-maximal heart rates are achieved during physically strenuous firefighting activities. Perhaps of more functional significance, our work has shown a red...
"We can only prevent sudden cardiac arrest if we know what causes it," said ESCAPE-NET project leader Dr Hanno Tan. "Studying cardiac arrest is challenging because it happens suddenly and unexpectedly. Progression is rapid and patients are often dead within ten minutes." ...
Such remodeling, termed athlete's heart, permits enhanced filling of the left ventricle in diastole and augmentation of stroke volume allowing generation of a large and sustained cardiac output even at rapid heart rates. The magnitude to which this adaptation occurs is influenced by several ...
During the first six months of life, a baby experiences rapid brain growth and developmental changes that affect sleep patterns, cardiorespiratory control, metabolism, and physical ability. So when a more mature baby is placed in a sleep environment with pillows or loose bedding, for example, ...
However, we sometimes experience new-onset AF with a very rapid ventricular response and hemodynamic deterioration that is refractory to DC cardioversion with the highest energy due to either failure of cardioversion to convert to sinus rhythm or an immediate re-initiation of AF. In this situation,...
The first study of the Portuguese team entitled "Heart rate variability in patients with refractory epilepsy: The influence of generalized convulsive seizures" focused on GCS. These are characterized by stiffing of all the muscles in the body (tonic) and the rapid movement of arms and legs (clon...
Rapid Anoxic Death – V. Obstructive Asphyxia Published in The Texas Reports on Biology and Medicine 1949; Vol. 7; pgs 593-603. AUTHORS: H. G. Swann and Marshall Brucer This article was originally posted on this Website March 31, 2003.FORENSIC...