Deep vein thrombosis can manifest itself in a sudden onset of pain in the calf or thigh muscle with one calf swollen to round an inch greater than the other car muscle. If you identify freshly swollen veins in a painful limb this can also be a sign of DVT and in either of these cases you should seek medical advice immediately.

Deep Venous Thrombosis (DVT) is a condition defined by a blood clot, or thrombus, forming in a deep vein. Commonly affecting the leg veins, such as the femoral, popliteal, or the deep veins of the pelvic region, DVT can prove fatal if the clot comes loose, makes its way into the blood, and enters the heart.

There are other factors that contribute to a person’s risk of having deep vein thrombosis. Factors such as age must be considered because those who are above sixty are at a higher risk. Being immovable for a long time like in a plain ride is also dangerous. If you have a family member who has the condition of increased blood clotting or you are pregnant or overweight or having various spider webs of varicose veins on your legs.

A person who is inactive for an extended period of time is at increased risk of DVT. This can happen during a long airline flight, while wearing a cast, following surgery and even when in the hospital for another condition. Other risk factors include:

* Varicose veins

* Blood clotting disorders

* Family history of DVT or clotting disorders

* Heart disease

* Obesity

* Chronic leg swelling

* Dehydration

* Birth Control Pills containing estrogen

* Hormone replacement therapy

* Pregnancy/recent childbirth

* Smoking

Causes:

While recent research shows that various factors prove to put a person at risk for DVT, a more common cause for deep vein thrombosis is inactivity. The less you move, the slower your blood circulates, thereby increasing the chances for clots to form. Business travelers, people who spend long hours in cramped airplane seats or in cars, and people confined to wheelchairs are especially at risk if they are unable to regularly circulate the blood in their legs.

Symptoms include leg pain or swelling, tenderness of leg tissue, increased leg warmth and increase in redness. This most likely occurs only in one leg or extremity. Symptoms of DVT may include varicose veins, tenderness, pain, swelling, and redness in the affected limb. Other conditions that exhibit similar symptoms include skin infections in particular, and muscle strains.

Deep vein thrombosis happens when a blood clot forms in the lower leg. If the clot breaks off, it may travel to the lungs. That can then be fatal. If you have symptoms such as pain, redness and swelling in a leg, you should seek medical help as soon as possible.

STRAIGHTEN UP AND FLY RIGHT

Here are some tips to help reduce the risk of a DVT:

• Drink plenty of water to avoid dehydration before and during your trip.

• Try to keep your thighs clear of the edge of your seat.

• Wear loose fitting clothing.

• Keep the legs uncrossed.

Copyright (c) 2009 Dr. Jennifer Feeny

Deep vein thrombosis (DVT) is a condition in which a blood clot (a blockage) forms in a deep vein. Although these clots usually occur in the veins of the leg, they can also develop in other parts of the body. A DVT is considered a medical emergency and if you suspect that you or a loved one might have a DVT, please seek medical attention immediately. News correspondent David Bloom died in 2003 from a DVT at age 39. It is wise to familiarize yourself with the symptoms and risk factors because knowing this information may save your life.

Risk factors

A person who is inactive for an extended period of time is at increased risk of DVT. This can happen during a long airline flight, while wearing a cast, following surgery and even when in the hospital for another condition. Other risk factors include:

* Varicose veins

* Blood clotting disorders

* Family history of DVT or clotting disorders

* Heart disease

* Obesity

* Chronic leg swelling

* Dehydration

* Birth Control Pills containing estrogen

* Hormone replacement therapy

* Pregnancy/recent childbirth

* Smoking

* Age (over 40 years old)

* Trauma

* Recent surgery

The more risk factors a person has, the greater the risk of developing a DVT. But, anyone can develop a DVT, even people without any of these risk factors.

Symptoms

The most common warning signs are calf tenderness, swelling, warmth and/or redness of the leg. However, some people with a DVT have no symptoms or just a very mild discomfort in the leg.

A serious complication of DVT is a pulmonary embolism, which may cause death. This happens when a clot breaks loose from the leg and travels to the lung. Symptoms of a pulmonary embolism include:

* Shortness of breath

* Chest pain

* Tightness in chest

* Coughing up blood

Another complication of a DVT is damage to the vein from the blood clot which can result in chronic swelling, pain and discoloration of that leg.

Diagnosis

Diagnosis can be challenging for a physician, especially when symptoms are vague. Leg swelling can be cause by congestive heart failure or venous insufficiency. Calf tenderness could be caused by tendonitis. If a DVT is suspected, a doctor will order tests that can detect a blood clot in the leg. The most accurate for diagnosis is the venogram. A venogram involves injecting dye into the vein and taking pictures to determine if there is a blockage. A less invasive option is a Duplex Ultrasound. Due to its high sensitivity and specificity, Duplex Ultrasound has replaced venography as the most widely used test in evaluation of DVT. Duplex Ultrasonography is safe in pregnancy and for those allergic to contract dyes used in venograms.

Treatment

There are a few options that your doctor may recommend in the treatment of DVT. Anticoagulants, like heparin or coumadin, may be prescribed to thin the blood to prevent accrual or formation of new clots. If you are unable to take anticoagulants, a filter may be placed in a large vein called the inferior vena cava to capture the clots. Compression stockings may be used to control swelling in the legs.

Prevention

If you have risk factors for a DVT, consider these tips for reducing the likelihood of developing a blood clot:

* Exercise you legs every 2 to 3 hours when on a long trip. Walk the aisles of a plane or train, and take regular breaks during a car trip.

* Drink plenty of fluids; avoid alcohol and caffeine.

* Wear Compression stockings.

* Take blood thinning medications, if prescribed by your doctor.

* If you are hospitalized, or having surgery, discuss preventative medication with your physician.

Each year, at least 100,000 deaths are attributed to deep venous thrombosis and pulmonary embolisms. About 1 in every 1000 adults develop a DVT in a given year. Deep vein throbosis is a common, serious medical condition that all adults should be aware of. Early symptom recognition and diagnosis improves outcomes and saves lives.