What Is a Pulmonary Embolism? | Blood Clot Awareness Month | Video 4
A pulmonary embolism is a blood clot blocking an artery in the lungs, often after travelling from a DVT. Dr Andrew Choong explains warning symptoms, emergency assessment, anticoagulant treatment and when specialist clot removal may be considered.
What Is a DVT? Deep Vein Thrombosis Explained
Deep vein thrombosis is a clot in a deep vein, usually in the leg. Dr Andrew Choong explains the symptoms, its connection to pulmonary embolism, possible long-term effects, and how assessment and treatment are tailored to each patient.
Why Do Blood Clots Form? DVT & PE Risk Explained
Slow blood flow, a greater tendency to clot and vessel-lining injury can combine to cause DVT. Dr Andrew Choong explains Virchow's triad, common risk factors, sensible prevention discussions and symptoms that need urgent medical assessment.
What is a Blood Clot? | Singapore Vascular Surgeon
Blood clotting stops bleeding after injury, but a clot inside a vessel can obstruct circulation. Dr Andrew Choong explains DVT, pulmonary embolism and arterial clots, including the symptoms that require urgent or emergency assessment in Singapore.
Blood Clot Removal for DVT | Modern Treatment Explained
Catheter-based clot removal has expanded treatment options for selected people with DVT. Dr Andrew Choong explains anticoagulation, thrombolysis and thrombectomy, including how clinicians weigh benefits, risks and the need for follow-up.
World Diabetes Day 2025: Diabetes, Artery Health and Foot Care
Diabetes can affect circulation and foot sensation before obvious symptoms appear. Learn what vascular tests can show, why ABPI needs careful interpretation and when a foot problem needs urgent care.
World Stroke Day 2025: Carotid Artery Disease and Stroke Prevention
Learn how carotid artery disease can cause stroke, when surgery or stenting may be considered, and why FAST symptoms require an immediate 995 call in Singapore.
World Thrombosis Day: How DVT and Pulmonary Embolism Can Be Fatal
A clot in the leg can travel to the lungs and become life-threatening. Dr Andrew Choong explains DVT, pulmonary embolism, hospital-associated clot risk and the warning signs that need urgent attention.
Vascular Surgery in 60 Seconds: Aorta, Arteries and Veins Explained
What does a vascular surgeon do? Dr Andrew Choong explains the difference between arteries and veins, the conditions vascular surgeons treat, and why a circulation assessment does not automatically mean an operation.
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.
Aortic Dissection Awareness Day: Recognising a Vascular Emergency
Aortic dissection can affect blood flow throughout the body and needs urgent recognition. In his awareness talk, Dr Andrew Choong explains warning symptoms, appropriate imaging, treatment differences and the importance of long-term follow-up.