Deep Venous Thrombosis (DVT)
A blood clot in a deep vein of the leg or pelvis that can travel to the lungs if not treated promptly.
Understanding Deep Venous Thrombosis (DVT)
Deep Venous Thrombosis (DVT) is a condition in which a blood clot (thrombus) forms in one or more of the deep veins of the body, most commonly in the legs or pelvis. DVT can cause leg pain or swelling, but it can also occur with no noticeable symptoms. The most serious concern with DVT is that part of the blood clot can break free, travel through the bloodstream, and lodge in the lungs—causing a life-threatening complication known as a Pulmonary Embolism (PE). Prompt recognition, accurate diagnosis, and timely treatment are essential to prevent severe complications and long-term vein damage.
Common Symptoms
While nearly half of all DVT cases produce mild or no symptoms initially, typical signs in the affected leg or arm include:
Swelling
Unilateral swelling in the affected leg, ankle, foot, or arm, often comparing visibly to the unaffected side.
Pain or Tenderness
Throbbing, cramping, or deep aching pain in the calf or thigh that often worsens when walking or standing.
Warmth to the Touch
A distinct feeling of warmth over the area of the leg or arm where the clot has formed.
Skin Redness or Discoloration
Redness, bluish hue, or noticeable skin color changes along the course of the affected vein.
Prominent Surface Veins
Engorged or visibly noticeable surface veins near the site of the deep clot.
What increases your risk?
DVT develops when blood flow slows down (stasis), vein linings are damaged, or the blood clots more easily than normal (hypercoagulability). Key risk factors include:
Long-distance travel (>4 hrs sitting), bed rest, extended hospital stays, or paralysis slow venous blood flow (venous stasis).
Major orthopedic, abdominal, or pelvic surgeries and severe injury directly damage blood vessel walls.
Active malignancy, heart failure, inflammatory bowel disease, or severe infection increase blood clotting tendency.
Use of oral contraceptives, estrogen replacement therapy, or pregnancy/postpartum state increases clot formation propensity.
Genetic conditions (such as Factor V Leiden, Prothrombin gene mutation, or Antithrombin deficiency) increase baseline risk.
Diagnosis & Treatment Options
Vascular specialists diagnose DVT and formulate targeted treatment strategies to stop clot growth and prevent pulmonary embolism:
See ProceduresVenous Duplex Ultrasound
The gold-standard, non-invasive imaging test using sound waves to visualize blood flow and detect clots in deep veins.
D-Dimer Blood Test
A blood test that measures a protein fragment produced when a blood clot dissolves; useful for ruling out DVT in low-risk patients.
Anticoagulation Therapy (Blood Thinners)
The primary treatment for DVT (e.g., DOACs like apixaban/rivaroxaban, low-molecular-weight heparin, or warfarin) to prevent the clot from enlarging or breaking loose.
Catheter-Directed Thrombolysis / Thrombectomy
Minimally invasive endovascular procedures used for extensive clot burden (e.g., iliofemoral DVT) to directly dissolve or mechanically remove the clot.
Inferior Vena Cava (IVC) Filter
A small medical device inserted into the main abdominal vein to trap breaking clots before they reach the lungs, reserved for patients who cannot take blood thinners.
Self-Care & Daily Management
Patients can manage symptoms, prevent recurrence, and protect long-term vein health through daily habits:
Take Anticoagulant Medications Consistently
Take all prescribed blood thinners exactly as directed by your physician without skipping doses.
Wear Graduated Compression Stockings
Use prescription medical compression stockings to reduce swelling, improve venous return, and prevent Post-Thrombotic Syndrome (PTS).
Stay Active & Flex Calf Muscles
Avoid standing or sitting still for extended periods. Perform calf flexes and walk regularly to keep venous blood moving.
Elevate the Affected Leg
Prop your leg up above heart level when resting to reduce swelling and ease discomfort.
Stay Well Hydrated
Drink plenty of water throughout the day to support healthy circulation and prevent blood viscosity.
Red Flag Symptoms: Pulmonary Embolism (Call 911 Immediately)
If a blood clot travels to your lungs (Pulmonary Embolism), it is a life-threatening emergency. Call 911 or go to the nearest emergency room immediately if you experience:
- Sudden, unexplained shortness of breath or rapid breathing.
- Sharp chest pain or discomfort that worsens when breathing deeply or coughing.
- Coughing up blood or pink-tinged mucus.
- Rapid heart rate (tachycardia) or feeling fluttering in your chest.
- Unexplained lightheadedness, dizziness, or fainting (syncope).
Procedures we perform for Deep Venous Thrombosis (DVT)
Take the first step toward healthier circulation
Our vascular specialists will evaluate your condition, explain every option clearly, and build a plan that fits your life.