Search results
Results from the WOW.Com Content Network
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 ]
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 ...
Visual symptoms including loss of vision or double vision; Speech symptoms including dysphonia (whispering speech), slurred or stuttering speech; Sensory disturbance including hemisensory syndrome (altered sensation down one side of the body) Numbness or inability to sense touch; Dizziness and balance problems; Pain (including chronic migraines)
Hyperventilation, paradoxically: self-induced hypocapnia, such as in the fainting game or in shallow water blackout. Overexertion; Panic attack; Recovery is usually rapid. A greyout can be readily reversed by lying down as the cardiovascular system does not need to work against gravity for blood to reach the brain.
The symptoms of a mini and major stroke aren't much different, but Dr. Itrat says ones from a TIA will resolve in a short timeframe. In either case, calling for help is critical.
The outcome of severe cerebral hypoxia will depend on the success of damage control, amount of brain tissue deprived of oxygen, and the speed with which oxygen was restored. [citation needed] If cerebral hypoxia was localized to a specific part of the brain, brain damage will be localized to that region. A general consequence may be epilepsy ...
The hallmark symptom is post-exertional malaise, a worsening of the illness which can start immediately or hours to days after even minor physical or mental activity. This "crash" can last from hours or days to several months. Further common symptoms include dizziness or faintness when upright and pain. [3] [10] The cause of the disease is ...
Researchers from the Mayo Clinic developed an animal model that involved mice receiving twice daily doses of minced pig brain tissue in saline intranasally. Biochemical testing indicated the signature autoantibodies (potassium channel antibodies, myelin basic protein antibodies and calcium channel antibodies) were present in experimental mice ...