What Is Deep Vein Thrombosis?

With Dr Andrew Choong, vascular and endovascular surgeon in Singapore

Published 4 March 2026 · 2 min 7 sec · Watch on YouTube

About this video

Dr Andrew Choong explains what a deep vein thrombosis is and why a clot in a leg vein can have serious consequences. The video introduces pulmonary embolism, rare limb-threatening venous blockage and post-thrombotic syndrome.

Original video: What Is a DVT? Deep Vein Thrombosis Explained #deepveinthrombosis #pulmonaryembolism #bloodclot

Read the accompanying article for the written explanation and further context.

Related patient information

• Deep vein thrombosis (DVT)
• Pulmonary embolism
• Post-thrombotic syndrome
• DVT treatment options