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Ultrasound image of Baker's cyst: Specialty: Rheumatology Symptoms: None, swelling behind the knee, stiffness, pain [1] [2] Complications: Deep vein thrombosis, peripheral neuropathy, ischemia, compartment syndrome [2] [3] Usual onset: Gradual [1] Risk factors: Knee problems such as osteoarthritis, meniscal tears, rheumatoid arthritis [1] [3 ...
deep vein thrombosis In medicine , Homans' sign (sometimes spelled as Homans sign or called dorsiflexion sign ) is considered by some physicians to be a sign of deep vein thrombosis (DVT). It was defined by John Homans in 1941 as discomfort behind the knee upon forced dorsiflexion of the foot. [ 1 ]
DVT often develops in the calf veins and "grows" in the direction of venous flow, towards the heart. [42] [103] DVT most frequently affects veins in the leg or pelvis [9] including the popliteal vein (behind the knee), femoral vein (of the thigh), and iliac veins of the pelvis.
A person with a two hour history of phlegmasia cerulea dolens (left leg, right side of image) Phlegmasia cerulea dolens (PCD) (literally: 'painful blue inflammation'), not to be confused with preceding phlegmasia alba dolens , is an uncommon severe form of lower extremity deep venous thrombosis (DVT) that obstructs blood outflow from a vein.
The risk of deep vein thrombosis can be estimated by Wells score. Lower limbs venous ultrasonography is also indicated in cases of suspected pulmonary embolism where a CT pulmonary angiogram is negative but a high clinical suspicion of pulmonary embolism remains. [1] It may identify a deep vein thrombosis in up to 50% of people with pulmonary ...
The femoral vein continues into the thigh as the continuation from the popliteal vein at the back of the knee. It drains blood from the deep thigh muscles and thigh bone . [ 2 ] Proximal to the confluence with the deep femoral vein, and the joining of the great saphenous vein , the femoral vein is widely known as the common femoral vein . [ 3 ]
The Pratt Test is a simple test to check for deep vein thrombosis in the leg. [1] [2] It involves having the patient lie supine with the leg bent at the knee, grasping the calf with both hands and pressing on the popliteal vein in the proximal calf. If the patient feels pain, it is a sign that a deep vein thrombosis exists. [citation needed]
The tributaries of the popliteal vein include: Veins that correspond to branches given off by the popliteal artery (see popliteal artery).; the small saphenous vein, which perforates the deep fascia and passes between the two heads of the gastrocnemius muscle to end in the popliteal vein.
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