Anasarca

Anasarca is severe, generalized edema caused by widespread accumulation of fluid in the body's tissues. It often reflects an underlying disorder affecting the heart, kidneys, liver, or blood proteins.

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Edema: Edema is excess fluid accumulated in the interstitial spaces of tissues. Anasarca is the severe, generalized form of this broader condition.
Physical examination: A physical examination is the assessment of bodily signs through inspection, palpation, percussion, and auscultation. Examination can map swelling and reveal clues such as ascites or raised venous pressure.
Ascites: Ascites is an abnormal accumulation of fluid within the peritoneal cavity. It can accompany anasarca, especially when liver disease or severe systemic fluid retention is present.
Localized edema: Localized edema is excess fluid confined mainly to a particular body region or tissue. Anasarca differs by involving widespread, generalized swelling rather than one limited area.
Starling equation: The Starling equation describes fluid movement across capillary walls in terms of hydrostatic and oncotic pressures. Its pressure balance helps explain how fluid leaves blood vessels and enters tissues.
Urinalysis: Urinalysis is the laboratory examination of urine for physical, chemical, and microscopic findings. Protein in urine can point to kidney disease causing generalized edema.
Pleural effusion: Pleural effusion is excess fluid in the space between the lung and chest wall. It may occur alongside generalized tissue edema in systemic illness.
Angioedema: Angioedema is sudden swelling in deeper skin or mucosal tissues, often associated with allergic or medication-related pathways. Its acute, often focal pattern differs from the sustained generalized fluid accumulation of anasarca.
Hypoalbuminemia: Hypoalbuminemia is an abnormally low concentration of albumin in the blood. Low albumin reduces plasma oncotic pressure, encouraging widespread fluid leakage into tissues.
Serum albumin: Serum albumin is the concentration of the major circulating protein albumin in blood. A low result helps identify reduced oncotic pressure as a contributor to anasarca.