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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]
Smaller arteries carry blood supply from the popliteal artery to the calf and into the foot. [4] Blockages caused by plaque build-up or atherosclerosis in any of these arteries can reduce leg blood circulation, causing leg pain that may interfere with daily life. [4] Standard popliteal bypass surgery involves the bypass of the popliteal artery. [5]
Illustration of how the buildup of lipids cause a blockage of blood flow to the portion of the artery below the narrowing. Peripheral arterial disease is considered to be a set of chronic or acute syndromes, generally derived from the presence of occlusive arterial disease, which causes inadequate blood flow to the limbs. [51] [52]
Discoloration of the hands, one hand colder than the other hand, weakness of the hand and arm muscles, and tingling are commonly present. [citation needed] Only 1% of people with carpal tunnel syndrome have concomitant TOS. [7] Repetitive motions can cause enlargement of muscles which causes compression of veins.
Erythromelalgia in left hand: Specialty: Oncology: Causes: There was a study done in 2013 where two Vietnamese patients were diagnosed with primary erythromelalgia. Patient A was a 33-year old female diagnosed with primary erythromelalgia at age 30 and suffered from burning and pain in her feet since she was 8 years old (Wu et. al 2013).
There is a recurrent acute and chronic inflammation and thrombosis of arteries and veins of the hands and feet. The main symptom is pain in the affected areas, at rest and while walking (claudication). [1] The impaired circulation increases sensitivity to cold. Peripheral pulses are diminished or absent. There are color changes in the extremities.
Flammer syndrome is a described clinical entity comprising a complex of clinical features caused mainly by dysregulation of the blood supply. It was previously known as vascular dysregulation. [1] It can manifest in many symptoms, such as cold hands and feet, and is often associated with low blood pressure.
In occupational safety and health, hand arm vibrations (HAVs) are a specific type of occupational hazard which can lead to hand–arm vibration syndrome (HAVS). HAVS, also known as vibration white finger ( VWF ) or dead finger , [ 1 ] is a secondary form of Raynaud's syndrome , an industrial injury triggered by continuous use of vibrating hand ...
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