Exam 1 - Fluid Disorders Flashcards
What percentage of body water is TBW?
60%
What is the TBW of a 154 lb male?
42 L
What 3 compartments make up body fluids?
1) Intracellular
2) Interstital
3) Intravascular
What percentage of body fluids is intracellular fluid?
40%
What percentage of body fluids is intravascular fluid?
5%
What percentage of body fluids is interstitial?
15%
What four things (including electrolytes) is ICF rich in?
1) Potassium
2) Magnesium
3) Phosphates
4) Proteins
What is the term for an increase in transcellular space?
Third space (or spacing)
What is the formula for determining maintenance fluid for patients?
1500 mL + 20 mL for each kg >20
What is the formula for calculating water deficit for patients?
0.6 (LBW) X [ ( Current Na / 140) - 1 ]
Normal Saline (NaCl or NS) contains how much sodium and how much chloride?
Na = 154 mEq/L Cl = 154 mEq/L
Lactated Ringer’s or LR contains how much Na and Cl?
Na = 130 mEq/L Cl = 109 mEq/L
Which fluids are isotonic solutions?
0.9% NaCl
LR
D5W
Which fluid is a hypertonic solution?
3% NaCl
Which solution is a hypotonic solution?
0.45% NaCl
Name the four crystalloid solutions.
1) Normal saline
2) Half-normal saline
3) Hypertonic saline
4) LR
Normal saline = ?
0.9% NaCl
T/F: Normal Saline can be used to treat Metabolic Alkalosis.
TRUE
T/F: Normal saline can be used to treat hyponatremia.
TRUE
T/F: 0.45% NaCl should not be used for large volume resuscitation.
TRUE
What electrolyte levels do you need to monitor with half normal saline?
SODIUM
-can cause serious hyponatremia
Which crystalloid is used to treat severely symptomatic hyponatremia?
Hypertonic normal saline (3% normal saline)
What does D5W treat?
Fluid loss, severe hypernatremia
What does D5 1/2 NS treat?
Hypernatremia
What type of acidosis can saline infusions cause?
Normal Gap Acidosis
Name the four colloidal solutions.
1) Albumin 5%
2) Dextrans
3) Hetastarch
4) FFP
Name the 3 most appropriate indications for use of albumin.
1) Plasmapheresis/apheresis
2) Large-volume paracentesis
3) SBP
_______ is when non-vesicant fluid leaks into surrounding tissue.
INFILTRATION
_____ is inflammation of the vein.
PHLEBITIS
_______ is a leakage of vesicant fluid into surrounding tissue.
EXTRAVASATION
Name the 3 correction fluids.
1) NS
2) LR
3) Hypertonic saline
Name the 2 maintenance fluids.
1) D5W
2) D51/2NS