Electrolyte Replacement

Question 1

No replacement needed if K+ >/= _____ ?

Answer 1

> /= 4.6

Question 2

Custom replacement (only if specified) if K+ ____ - ____?

Answer 2

4.1 - 4.5

Question 3

Less aggressive replacement for K+ ____ - _____?

What does this mean?

Answer 3

3.6 - 4
Full replacement = 20 mEq
Half replacement = 10 mEq
*Recheck levels with AM labs

Question 4

More aggressive replacement for K+ = _____ ?

What does this mean?

Answer 4

= 3.5
Full replacement = 40 mEq
Half replacement = 20 mEq
  *Recheck levels 1 hr after IV replacement
   or 4 hrs after PO/FT replacement

Question 5

Can K+ tab be crushed?

Answer 5

No. K+ tab is extended release. DO NOT CRUSH.

Question 6

Max infusion for K+ (central v. peripheral line)

Answer 6

Central line: 20mEq / 100mL over 1 hr
Peripheral: 10mEq / 100mL over 1 hr

note: 20mEq/50mL is possible per MD order but still give no faster than 20mEq/hr.

Question 7

No replacement needed if Mg+ >/= _____ ?

Answer 7

> /= 2 (No replacement)

Question 8

If Mg+ 1.8 – 1.9 replace ___? recheck___?

Answer 8

Full IV: 2 grams IVPB
Half IV: 1 gram IVPB
PO/FT: 400 mg PO/FT q 6 hrs x 2 doses
*Recheck w/ AM labs

Question 9

If Mg+ 1.6 – 1.7 replace ____? recheck ___?

Answer 9

Full IV: 4 grams IVPB
Half IV: 2 gram IVPB
PO/FT: 400 mg PO/FT q 6 hrs x 2 doses
*Recheck w/ AM labs

Question 10

If Mg+ 1.1 – 1.5 replace ___? recheck___?

Answer 10

Full IV: 6 grams IVPB
Half IV: 3 gram IVPB
PO/FT: Call MD to get an order for IV replacement
*Recheck levels 2 hrs after IV replacement

Question 11

If Mg+ 1 or below: Replace __? Recheck__?

Answer 11

Full IV: 8 grams IVPB
Half IV: 4 gram IVPB
PO/FT: Call MD to get an order for IV replacement
*Recheck levels 2 hrs after IV replacement

Question 12

Standard IV Infusion rate for Mg+?

Emergency max rate?

Answer 12

Standard: 1 gram / 1 hr
Emergency: 1 gram / 15 min (any IV site)

Question 13

Phosphorous replacement protocol?

Answer 13

< 2.4 mg/dL
20 mmoles IVPB infused over 4 to 6 hrs
*Recheck levels with AM labs

Question 14

iCa+ Replacement: NONE Needed if ___?

Answer 14

> 1.0 (No replacement)

Question 15

If iCa+ 0.81 – 1.0 ___?

Answer 15

Calcium Gluconate 1 gram IVPB over 1 hr

*Recheck levels with AM labs

Question 16

If iCa+ 0.6 – 0.8 ___?

Answer 16

Calcium Gluconate 2 grams IVPB over 2 hrs

*Recheck levels with AM labs

Question 17

Calcium Gluconate normal IV infusion rate?

Max rate in an emergency?

Answer 17

normal: 1 gram / 1 hr
emergency: 1 gram / 15 min (any IV site)