Fluid Volume Deficit
Causes: Excessive GI loss, diaphoresis, fever, excess renal loss, hemorrhage, insufficient intake, age-related changes.
S/S: Weight loss/poor skin turgor, dry mucus membranes, increased pulse, hyperthermia, cap refil >3, weakness, fatigue (LATE SIGNS: oliguria, decreased CVP, flattened neck veins), Elevated Hct and urine SG/osmolality.
Dx: Lytes, BUN, Cr, Hct, Urine SG/Osmo
Rn: Assess VS, skin turgor, strict I/O, daily weights, assess labs, replace fluids orally, initiate and maintain IVF, correct underlying cause.
Tx: Lyte replacement, IVF