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A compression fracture is a collapse of a vertebra. It may be due to trauma or due to a weakening of the vertebra (compare with burst fracture). This weakening is seen in patients with osteoporosis or osteogenesis imperfecta, lytic lesions from metastatic or primary tumors, [1] or infection. [2]
The weakness of the legs causes most people to sit or lie down if there is time to do so. This may avert a complete collapse, but whether the patient sits down or falls down, the result of an ischaemic episode is a posture in which less blood pressure is required to achieve adequate blood flow.
The basic physiological change that occurs in the body during prolonged standing or sudden stand from supine position is that there will be increased pooling of blood in the legs. This decreases the venous return, and so there will be decreased cardiac output, which ultimately causes systolic blood pressure to fall (hypotension).
Functional weakness is weakness of an arm or leg without evidence of damage or a disease of the nervous system. Patients with functional weakness experience symptoms of limb weakness which can be disabling and frightening such as problems walking or a 'heaviness' down one side, dropping things or a feeling that a limb just doesn't feel normal or 'part of them'.
One day after the incident, Hislop spoke out for the first time via a video message that aired on ESPN FC. "Well, that was awkward," he quipped. "What a 24 hours this has been.
A Time to Live is a 1985 American made-for-television drama film directed by Rick Wallace and starring Liza Minnelli (in her television film debut), Jeffrey DeMunn, Swoosie Kurtz, Scott Schwartz and Corey Haim. It was broadcast on NBC on October 28, 1985. [citation needed]
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 ...
During that time, bears go through a series of physiological, morphological, and behavioral changes. [33] Their ability to maintain skeletal muscle number and size during disuse is of significant importance. [citation needed] During hibernation, bears spend 4–7 months of inactivity and anorexia without undergoing muscle atrophy and protein ...