Hypovolemia: Fluid Volume Deficit

• What is classified according to serum Sodium (Na) concentration?

  Excessive loss of body fluids
• What characterizes hypertonic loss of body fluids?

  Loss of water greater than sodium
• What happens to serum Na+ during hypertonic loss?

  Serum Na+ increases
• What defines isotonic loss of body fluids?

  Water loss equals sodium loss
• What happens to serum Na+ during isotonic loss?

  Serum Na+ remains the same
• What characterizes hypotonic loss of body fluids?

  Water loss and excessive sodium loss
• What happens to serum Na+ during hypotonic loss?

  Serum Na+ decreases