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Therapeutics IV > Exam 3 Lab Values > Flashcards

Exam 3 Lab Values Flashcards

1
Q

Prealbumin

A

15-40

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2
Q

C-Reactive Protein

A

-Normal < 1
-Prealbumin decreases as CRP increases then it is inflammation
-Prealbumin decrease as CRP is normal then it is malnutrition

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3
Q

Total calories in a TPN

A

25-30 kcals/kg/day

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4
Q

Total protein in a TPN

A

-1-1.5 g/kg/day (floor patients)
-1.5-2 g/kg/day (ICU patients)

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5
Q

Ratio of non-protein calories

A

-70% carbs:30% fat
-100% carbs in sepsis patients

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6
Q

1g of protein in calories

A

4 kcals

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7
Q

Max carb intake

A

4-5 mg/kg/min

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8
Q

1g dextrose in calories

A

3.4 kcal

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9
Q

Max lipid intake

A

2.5 g/kg/day

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10
Q

1g lipids in calories

A

10 kcal

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11
Q

Calories in propofol

A

1.1 kcal/ml

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12
Q

How much trace element in TPN?

A

1 mL

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13
Q

How much multivitamin in TPN?

A

10 mL

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14
Q

1 mMol of phos in mEq

A

1.4 mEq

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15
Q

Normal RQ

A

0.85-0.95

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16
Q

Goal nitrogen

A

+3 to +5

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17
Q

Total TPN or MIVF volume

A

30-40 mL/kg/day

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18
Q

Refeeding syndrome effects

A

-Hypomagnesemia
-Hypokalemia
-Hypophosphatemia

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19
Q

How to prevent refeeding syndrome

A

-Limit carbs to 100-150g
-Limit fluids to 800 ml/day
-Give electrolytes
-Give 50% of caloric needs
-Give thiamine 100mg daily 5-7x
-Increase by 20-33% of goal every 1-2 days as tolerated

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20
Q

How much of daily calories is fatty acids?

A

4-10%

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21
Q

Onset of essential fatty acid deficiency

A

10-14 days

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22
Q

How to prevent essential fatty acid deficiency

A

-500 mL of 10% fat emulsion twice weekly over 3-5 hours
-250 mL of 20% fat emulsion twice weekly over 5-9 hours

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23
Q

Cholecalciferol IU to mCg

A

400 IU = 10 mCg

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24
Q

Calories of breast milk

A

20 Kcal

25
Q

What increase drug distribution into breast milk?

A

-Non-ionized
-Small molecular weight
-Low protein binding
-High lipid solubility
-Long half life
-Low Vd

26
Q

Premature neonates cholecalciferol dosing

A

-less than 1.5kg: 200 IU daily
-more than 1.5kg: 200-400 IU daily

27
Q

Term infants cholecalciferol dosing for breastfed

A

400 IU daily

28
Q

Formula fed term infants cholecalciferol dosing

A

200-400 IU daily until receiving 1000 mL/formula/day

29
Q

Iron dosing for premature neonates

A

2 mg/kg/day

30
Q

Iron dosing for term infants

A

3 mg/kg/day when deficient

31
Q

Common ferrous sulfate oral solution concentration

A

75 mg/mL = 15 mg elemental iron/mL

32
Q

Holliday-Segar Method for calculating fluid requirements less than 10kg

A

100 mL/kg

33
Q

Holliday-Segar Method for calculating fluid requirements 10-20kg

A

1000mL + 50mL/kg for every kg over 10

34
Q

Holliday-Segar Method for calculating fluid requirements over 20kg

A

1500mL + 20mL/kg for every kg greater than 20

35
Q

UFH dosing

A

5000 U SQ q8h or q12h (possibly 7500U SQ q12h)

36
Q

Enoxaparin dosing

A

-30 mg SQ q12h, 40mg SQ q24h
-CrCl <30 mL/min: 30 mg SQ q24h

37
Q

Normal PCO2

A

40

38
Q

Normal bicarb

A

24

39
Q

Henderson-Hasselbach equation

A

pH = pKa +log(HCO3/0.03*pCO2)

40
Q

Anion gap equation

A

Na - (Cl + HCO3)

41
Q

Delta gap equation

A

Normal anion gap - current ion gap

42
Q

Bicarb dose equation

A

((0.5 * IBW)(12 - actual bicarb))(0.33-0.5)

43
Q

Dose of bicarb for chronic metabolic acidosis

A

1-3 mEq/kg/day

44
Q

Urinary chloride of saline responsive alkalosis

A

less than 10-20

45
Q

Urinary chloride of saline resistant alkalosis

A

More than 20

46
Q

Normal Hgb

A

-13.5-18 male
-12-16 female

47
Q

Normal MCV

A

80-100

48
Q

Normal ferritin

A

-15-200
-Iron deficiency is less than 45

49
Q

Normal TSAT

A

20-50%

50
Q

Oral iron dosing

A

65mg of elemental iron every other day

51
Q

Elemental iron in ferrous fumarate

A

100mg elemental iron in 300mg (33%)

52
Q

Elemental iron in ferrous sulfate

A

65mg of elemental iron in 325mg (20%)

53
Q

Elemental iron in ferrous gluconate

A

30mg of elemental iron in 300mg (10%)

54
Q

Low serum B12

A

Less than 200

55
Q

IM/SC B12 dosing

A

100-1000 mcg daily for 1-2 weeks, then weekly or monthly as maintenance

56
Q

Oral B12 dosing

A

1000-2000mcg/day

57
Q

Low serum folate

A

Less than 5

58
Q

Oral folic acid dosing

A

1-5mg daily until Hgb normalizes

59
Q

Final dextrose osmolarity in TPN

A

Less than 900

Therapeutics IV (4 decks)

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