Medical glossary
Oedema
Swelling from fluid accumulation in tissues.
Definition
Oedema is visible tissue swelling from fluid leaking from blood vessels. Mild ankle oedema is common on long flights or in heat. Persistent or asymmetric swelling can indicate heart failure, kidney disease, venous insufficiency, or (one-sided) a DVT.
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Glossary entries are general reference, not medical advice for any specific person.