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Description

Decreased effective plasma volume is a condition in which the amount of fluid in the circulatory system is reduced. This can be caused by a variety of factors, including dehydration, excessive sweating, blood loss, and certain medications. When the effective plasma volume is decreased, the body is unable to maintain adequate blood pressure and perfusion of organs and tissues. This can lead to symptoms such as dizziness, lightheadedness, fatigue, and decreased urine output. Treatment for decreased effective plasma volume typically involves replenishing the lost fluid and electrolytes.

Synonyms

• hypertonic dehydration

Symptoms (patient's findings)

• anorexia
• convulsions
• fatigue
• muscle cramps
• nausea

Signs (examiner's findings)

• cold skin temperature
• coma
• convulsions
• deep reflexes
• depressed sensorium
• disorientation
• edema
• pathological reflex
• periodic breathing

Basic Lab Tests (measurements)

• serum
  •      calcium
  •      BUN:creatinine ratio
  •      osmolality
  •      sodium
  •      urea nitrogen
• urine
  •      specific gravity
  •      water loading test
  •      sodium

Detailed Disease and Condition Information (use the search buttons below to find details on these topics)
All of the following must be considered when interpreting clinical findings and are too extensive to be covered on this site: