<prompt> What is the given below device used for?HypothermiaPneumatic compression stockings to prevent DVTCellulitesVaricose veins  <response>: Ans. B. Pneumatic compression stockings to prevent DVTDeep vein thrombosis Most common cause: Hospital admission for medical or surgical conditions Most common site: Calf veins Soleal veins E-Thrombosis: Thrombosis developing in people sitting at their computer for long times Bilateral deep vein thrombosis seen in 30 cases.Clinical features: Pain and swelling in calf region is the most common presentation Increased temperature in local siteDiagnosis: D-dimer measurement Duplex ultrasound is the IOCTreatment: Mechanical- Early ambulation- Most common method used: Pneumatic compression devices Pharmacological- Unfractionated heparin conventional needs monitoring with activated PTT- Low-molecular-weight heparin LMWH 