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Freediving blackout, breath-hold blackout, [1] or apnea blackout is a class of hypoxic blackout, a loss of consciousness caused by cerebral hypoxia towards the end of a breath-hold (freedive or dynamic apnea) dive, when the swimmer does not necessarily experience an urgent need to breathe and has no other obvious medical condition that might have caused it.
A choke-out is a hand-to-hand combat tactic involving the use of a chokehold to cause syncope, or temporary loss of consciousness, at which point the choke is released.. Common chokeholds in grappling used to accomplish a choke-out include the rear naked choke, arm triangle, triangle choke, and the guil
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
In the unconscious patient, the priority is airway management, to avoid a preventable cause of hypoxia. Common problems with the airway of patient with a seriously reduced level of consciousness involve blockage of the pharynx by the tongue , a foreign body , or vomit .
Rembrandt's Unconscious Patient (Allegory of Smell) shows a woman using smelling salts to revive a man who has fainted at the hands of a barber-surgeon. Solid ammonium carbonate and ammonium bicarbonate salts partly dissociate to form NH 3, CO 2 and H 2 O vapour as follows: (NH 4) 2 CO 3 → 2 NH 3 + CO 2 + H 2 O NH 4 HCO 3 → NH 3 + CO 2 + H 2 O
An induced coma – also known as a medically induced coma (MIC), barbiturate-induced coma, or drug-induced coma – is a temporary coma (a deep state of unconsciousness) brought on by a controlled dose of an anesthetic drug, often a barbiturate such as pentobarbital or thiopental.
The earliest recognition that placing unconscious patients on their side would prevent obstruction of the airway was by Robert Bowles, a doctor at the Victoria Hospital in Folkestone, England. [4] In 1891 he presented a paper with the title 'On Stertor, Apoplexy, and the Management of the Apoplectic State' in relation to stroke patients with ...
Free association is the expression (as by speaking or writing) of the content of consciousness without censorship as an aid in gaining access to unconscious processes. [1] The technique is used in psychoanalysis (and also in psychodynamic theory ) which was originally devised by Sigmund Freud out of the hypnotic method of his mentor and ...