IAS Gyan

Daily News Analysis


25th October, 2023 Health

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Context: Deep Vein Thrombosis (DVT) is a medical condition in which a blood clot (thrombus) forms in a deep vein, typically in the legs.

About Deep Vein Thrombosis (DVT)

  • DVT is a medical condition characterized by the formation of a blood clot (thrombus) in deep veins, commonly in the legs. These deep veins are located beneath the muscle tissue.
  • While DVT itself is not a direct cause of heart attacks or strokes, it can pose a significant risk of leading to a condition known as pulmonary embolism (PE). PE occurs when a clot dislodges and travels to the lungs, obstructing blood flow in the pulmonary arteries.

Several factors can increase the risk of developing DVT

  • Extended periods of sitting or immobility, such as during long journeys or desk-bound work, can reduce blood flow in the legs, increasing the likelihood of clot formation.
  • Being overweight or obese is a significant risk factor for DVT.
  • After surgery, patients may be at risk due to limited mobility during recovery.
  • Elderly individuals are at a higher risk.
  • The use of birth control pills can increase the risk of clot formation.
  • Conditions that affect the body's ability to form clots and maintain blood flow can increase the risk.
  • Those with heart conditions may have altered blood flow, raising the risk.
  • Some cancers and cancer treatments can make the blood more prone to clotting.
  • Pregnancy can affect blood flow, increasing the risk.
  • Elevated cholesterol levels can contribute to atherosclerosis, which may raise the risk.
  • Insufficient hydration can make the blood thicker and more likely to clot.

Common symptoms of DVT can include:

  • Swelling: Usually in one leg, often in the calf area.
  • Pain or Tenderness: The affected leg may be painful or tender.
  • Redness and Warmth: The skin over the affected vein may become red and warm.

Prevention of DVT

  • Regular physical activity helps maintain proper blood circulation.
  • Obesity is a significant risk factor, so managing weight is crucial.
  • When sitting for long periods or on long flights, take breaks to move and stretch.
  • In certain cases, anticoagulants or blood-thinning medications may be prescribed to prevent clot formation.
  • Staying well-hydrated can help prevent the blood from becoming too thick and prone to clot formation.


  • DVT is a condition in which blood clots form in deep veins, often in the legs. Understanding the risk factors, recognizing symptoms, and taking preventive measures can help reduce the chances of developing DVT and the potential complications associated with it.


Q. What is Deep Vein Thrombosis (DVT)?

A) A blood clot in the heart

B) A blood clot in a superficial vein

C) A blood clot in a deep vein, typically in the legs

D) A blood clot in the lungs

Answer: C

Explanation: DVT is a condition where a blood clot forms in a deep vein, often in the legs.