Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Plethora
Introduction
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Overview
Overview
Hypervolemia (or “Fluid overload”) is the medical condition where there is too much fluid in the blood. The fluid can either be intravascular or extravascular and result in edema.
The opposite condition is Hypovolemia (too little fluid volume in the blood).
Related chapters
Related chapters
- volume status
- edema
- anasarca (swelling of skin)
- ascites (excess fluid in the peritoneal cavity)
- pleural effusion (excess fluid in the pleural cavity)
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]