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Cardiac arrest (also known as sudden cardiac arrest [SCA] [11]) is when the heart suddenly and unexpectedly stops beating. [ 12 ] [ 1 ] When the heart stops beating, blood cannot properly circulate around the body and the blood flow to the brain and other organs is decreased.
Yet there are cases of patients regaining consciousness during CPR while still in full cardiac arrest. [26] In absence of cerebral function monitoring or frank return to consciousness, the neurological status of patients undergoing CPR is intrinsically uncertain. It is somewhere between the state of clinical death and a normal functioning state.
Unlike cardiac arrest, a heart attack is a circulation problem. When circulation is blocked or cut off in some way and blood is no longer supplied to the heart muscle, this can damage that muscle ...
It remains a difficult medical challenge to prevent the sudden cardiac death of athletes, typically defined as natural, unexpected death from cardiac arrest within one hour of the onset of collapse symptoms, excluding additional time on mechanical life support. [1] (Wider definitions of sudden death are also in use, but not usually applied to ...
Deaths due to cardiac arrest in college athletes have been steadily declining over the last 20 years, a new study finds.. An analysis of data from more than 2 million NCAA athletes revealed that ...
Death from laughter is an extremely rare form of death, usually resulting from either cardiac arrest or asphyxiation, that has itself been caused by a fit of laughter. Though uncommon, death by laughter has been recorded from the times of ancient Greece to modern times. Usually, the phrase "dying from laughter" is used as a hyperbole.
Traumatic cardiac arrest (TCA) is a condition in which the heart has ceased to beat due to blunt or penetrating trauma, such as a stab wound to the thoracic area. [1] It is a medical emergency which will always result in death without prompt advanced medical care.
Prior to cardiac arrest, patients may complain of varying symptoms depending on the underlying cause. Patients may exhibit signs of agonal breathing , which to a layperson can look like normal spontaneous breathing, but is a sign of hypoperfusion of the brainstem .