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A coma is a deep state of prolonged unconsciousness in which a person cannot be awakened, fails to respond normally to painful stimuli, light, or sound, lacks a normal wake–sleep cycle and does not initiate voluntary actions. [1]
Loss of consciousness should not be confused with the notion of the psychoanalytic unconscious, cognitive processes that take place outside awareness (e.g., implicit cognition), and with altered states of consciousness such as sleep, delirium, hypnosis, and other altered states in which the person responds to stimuli, including trance and ...
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 ...
Symptoms include deep and fast respiration, weak and slow pulse, and respiratory pauses that may last for 60 seconds. Subclavian steal syndrome arises from retrograde (reversed) flow of blood in the vertebral artery or the internal thoracic artery, due to a proximal stenosis (narrowing) and/or occlusion of the subclavian artery. [ 9 ]
“If you do start to feel light-headed, dizzy, sweating, fast pulse, get out of the heat immediately,” Linden said. Try to find air conditioning, or places in your area where you can go to stay ...
There are many various reflexes that can occur simultaneously during a startle response. The fastest reflex recorded in humans happens within the masseter muscle or jaw muscle. The reflex was measured by electromyography which records the electrical activity during movement of the muscles. This also showed the response latency, or the delay ...
Keep your room cool and free of sound and light distractions If you can’t fall asleep after 20 minutes, get up and do a relaxing activity until you feel tired again If none of those help ...
The fast-fed cycle supports the body's efficient use of energy and underpins many of the physiological benefits of fasting, Costa adds. Now, let's get into the nitty-gritty of each specific phase. 1.