deep-vein thrombosis

Dangerous leg clot

Deep-vein thrombosis is the formation of a blood clot in a vein deep within the body, typically in the legs.

The condition is dangerous because clots can break loose and travel to the lungs, causing a pulmonary embolism.

Prolonged immobility increases risk—hence warnings about moving during long flights.

Often abbreviated DVT.

clot

thrombus

Intravascular coagulated mass

thrombin · platelet · clotting · occlusion · prothrombin · thrombectomy · hemostasis · plasmin · clot formation · blood clot

treatment

anticoagulant

Substance preventing blood clots

anticoagulation · thrombolytics · elevation

risk

immobility

Lack of motion

pregnancy · obesity · smoking · travel · long-haul flight · hospitalization · cancer · oral contraceptives · hormone therapy · dehydration

complications

pulmonary embolism

Clot blocking lung artery

PE · leg ulcers · chronic swelling

diagnosis

ultrasound

Inaudible high-frequency waves

blood test · imaging

anatomy

vein

Vessel toward heart

popliteal · iliac · lower extremity · valve · endothelium · tibial

symptoms

leg pain

warmth · tenderness · discoloration · calf pain · heaviness · cramping

compression

stockings

Fitted leg coverings

sleeves · bandages · pneumatic · gradient · hosiery · support hose · pump · wearable

Opposites
vascular depth/location

deep-vein thrombosisvaricose veins

Dilated superficial vessels with pooling

spider veins

clotting vs. bleeding

deep-vein thrombosishemorrhage

Profuse discharge of blood

bleeding disorder · hemophilia · exsanguination · excessive bleeding

Family

deeper, deepest, deeply, deepen, deepened, deepening, depth, depths, veins

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