Leg Swelling: Ultrasound and DVT Warning Signs

With Dr Andrew Choong, vascular and endovascular surgeon in Singapore

Published 7 September 2026 · 1 min 32 sec · Watch on YouTube

About this video

In part two of this discussion, Dr Andrew Choong explains how duplex ultrasound helps investigate venous leg swelling. He highlights one-sided swelling and a red, hot, painful calf as changes that need prompt assessment for possible DVT.

Original video: When Is Leg Swelling Not Just Water Retention? 2 of 2

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

Related patient information

• Chronic venous disease and venous ulcers
• Deep vein thrombosis (DVT)
• Vascular duplex ultrasound