Ankle Skin Darkening: A Warning Sign of Vein Disease
Brown, itchy or thickened ankle skin can be a warning sign of venous reflux. Dr Andrew Choong explains assessment of vein disease and why skin changes should be checked before an ulcer develops.
Bleeding Varicose Veins: What To Do
A bleeding varicose vein needs direct pressure, leg elevation and prompt medical assessment. Dr Andrew Choong explains urgent first aid and why the underlying vein problem should be checked.
Varicose veins: scan first, treatment second
Similar-looking varicose veins can have different causes beneath the surface. Dr Andrew Choong explains how vascular ultrasound identifies venous reflux and guides a treatment plan that matches your symptoms and scan findings.
What Is a Duplex Ultrasound? Vascular Surgeon Explains
Ultrasound gives the image, Doppler assesses blood flow, and duplex combines both. Dr Andrew Choong explains how vascular ultrasound investigates reflux, narrowed arteries and possible clots, what happens during the scan and how the findings guide care.
Why Do Some Foot and Leg Wounds Not Heal?
A wound that is slow to heal may reflect poor arterial blood supply, venous reflux or other health factors. Dr Andrew Choong explains why foot and leg wounds need assessment beyond dressings, including warning signs requiring urgent help.
When Is Leg Swelling Not Just Water Retention? 2 of 2
Learn how duplex ultrasound helps assess venous swelling, why improvement with compression does not prove the cause, and when one-sided swelling needs urgent care.
When Is Leg Swelling Not Just Water Retention? 1 of 2
Swollen legs can reflect systemic illness, a local problem or venous reflux. Understanding the cause matters more than calling it water retention.
Why Varicose Veins Feel Worse at the End of the Day
Evening aching and heavy legs can reflect pressure building in veins with leaking valves. Learn how movement, assessment and ultrasound can help clarify the cause.
Arteries vs Veins: What’s the Difference?
Arteries supply blood and veins return it. Learn why walking pain, heaviness and swelling can point to different circulation problems.
Varicose Veins Are Not Just Cosmetic
Varicose veins can reflect faulty valves and venous reflux, not just a change in appearance. Dr Andrew Choong explains aching, swelling and skin changes, how ultrasound helps, and when to seek a vascular assessment in Singapore.
President Trump’s Chronic Venous Insufficiency: A Vascular Surgeon Explains
The public announcement of President Trump’s chronic venous insufficiency raised questions about leg swelling and vein health. Dr Andrew Choong explains venous valves, duplex ultrasound, the range of symptoms and when swelling needs assessment.