Fluid Balance, BMP, and CBC (w/Diff) Flashcards
To maintain homeostasis, fluids
IN must EQUAL fluids OUT
Examples of fluid sources for the body
Beverages
Food
Metabolism of Nutrients
IV Fluids
A healthy adult client takes in about _________ mL of fluid/day.
2,500
In a healthy adult client, kidneys make about ____________ mL of urine/day.
1,500
In an elderly patient, it is appropriate to check for skin turgor where?
The glabella (middle of forehead between the eyes)
What fluid do you give to raise the B/P?
Isotonic Fluids like 0.9% NS or Lactated Ringers
Which fluids “shift” water from the extracellular space into the cells, or rehydrate the cells?
Hypotonic Fluids (0.45%)
Which fluids “shift’ water out of the cells?
Hypertonic Fluids (3%)
What are hypertonic fluids used for?
To raise the sodium and chloride concentration outside the cells
A high sodium level with normal creatinine level indicates
Dehydration
What indicates renal failure?
Abnormal BUN + abnormal creatinine
Sodium, Potassium, and eGFR may also be elevated
What is used to bring down Potassium levels?
Kayexalate. If that doesn’t work well, the provider may order regular insulin IV with 50% dextrose.
A low WBC (leukopenia) may be a sign of
immunosuppression
What are segs?
mature neutrophils
What are bands?
immature neutrophils