Search results
Results from the WOW.Com Content Network
Functional ischemia occurs when the blood flow is normal at rest but insufficient during exercise, presenting clinically as intermittent claudication. Critical ischemia is produced when the reduction in blood flow results in a perfusion deficit at rest and is defined by the presence of pain at rest or trophic lesions in the legs.
Three main changes are seen in the mechanism of Raynaud's phenomenon which are reduced blood flow, blood vessel constriction, and neurogenic, inflammatory, and immune responses. It is induced by mental stress and a cold atmosphere. In all cases, the primary cause is an underlying hyperactivation of the sympathetic nervous system. [19]
Weight-bearing exercises and resistance training exercises such as squats with weights, step-ups, lunges, stair climbing, and even jogging can elicit hormone responses that are advantageous for post-menopausal women living with osteoporosis. These exercises result in the release of growth hormone and Insulin-like growth factor-1 or IGF-1 that ...
In the modified Allen test, one hand is examined at a time: [2] The patient is asked to clench their fist for about 30 seconds. Pressure is applied over the ulnar and the radial arteries so as to occlude both of them. Still elevated, the hand is then opened. It should appear blanched (pallor may be observed at the finger nails).
Gangrene toes in a diabetic. Gangrene is a type of tissue death caused by a lack of blood supply. [4] The feet and hands are most commonly affected. [1] If the gangrene is caused by an infectious agent, it may present with a fever or sepsis.
See also osteoporosis. In June 1992, the World Health Organization defined osteopenia. [48] [34] An osteoporosis epidemiologist at the Mayo Clinic who participated in setting the criterion in 1992 said "It was just meant to indicate the emergence of a problem", and noted that "It didn't have any particular diagnostic or therapeutic significance ...
The Mayo Clinic diet, a program that adheres to this notion, was developed by medical professionals based on scientific research, so you can trust that this program is based on science, and not ...
G-LOC, or g-force induced loss of consciousness, is a special case of ischemic hypoxia which occurs when the body is subjected to high enough acceleration sustained for long enough to lower cerebral blood pressure and circulation to the point where loss of consciousness occurs due to cerebral hypoxia. The human body is most sensitive to ...