Search results
Results from the WOW.Com Content Network
It can result in varicose veins and, in severe cases, in venous ulcer. The reversed blood pools in the low third of legs and feet. [17] Unlike in the arterial ultrasound study, when the sonographer studies venous insufficiency, the vein wall itself has no relevance and attention is focused on the direction of blood flow. The objective of the ...
Lymphedema can occur in both the upper and lower extremities, and in some cases, the head and neck. Assessment of the extremities first begins with a visual inspection; color, presence of hair, visible veins, size and any sores or ulcerations are noted. Lack of hair may indicate an arterial circulation problem. [34]
Chronic venous insufficiency (CVI) is a medical condition characterized by blood pooling in the veins, leading to increased pressure and strain on the vein walls. [1] The most common cause of CVI is superficial venous reflux, which often results in the formation of varicose veins, a treatable condition. [2]
Patients present with an acute onset of swelling, pain, erythema, prominent tenderness, warmness and limited range of motion in both ankles. [1] [2] Lower legs and heels may also be involved, however the distal parts of feet and toes are usually spared. Patients may also experience high-graded fever, pitting edema and hypotension.
Other comorbidities may also be the root cause of venous ulcers. [12] It is in the crus that the classic venous stasis ulcer occurs. Venous stasis results from damage to the vein valvular system in the lower extremity and in extreme cases allows the pressure in the veins to be higher than the pressure in the arteries.
Atherosclerosis. Atherosclerosis contributes to about half of all deaths in Western countries, including the United States. Globally, it causes about 10 million deaths per year.. Atherosclerosis ...
It can also occur in patients with increased hydrostatic venous pressure or decreased oncotic venous pressure, due to obstruction of lymphatic or venous vessels draining the lower extremity. Certain drugs (for example, amlodipine) can cause pedal edema. Cerebral edema is extracellular fluid accumulation in the brain. [1]
Recommendations by clinicians to reduce venous stasis and DVT/PE often encourage increasing walking, calf exercises, and intermittent pneumatic compression when possible. [5] [6] [7] Weakened Venous valves: these are crucial towards ensuring upward flow to the heart from the lower extremities.