Drug-Dose Conversions Flashcards
KCl solution (oral) to tablets
KCl 10% = 20 mEq/15 mL
What percentage of calcium carbonate is elemental calcium?
40% elemental calcium
What percentage of calcium citrate is elemental calcium?
21% elemental calcium
Aminophylline to theophylline
Multiply by 0.8
Theophylline to aminophylline
Divide by 0.8
Ethacrynic acid 50 mg is equivalent to what dose of furosemide?
40 mg furosemide
Ethacrynic acid 50 mg is equivalent to what dose of torsemide?
20 mg torsemide
Ethacrynic acid 50 mg is equivalent to what dose of bumetanide?
1 mg bumetanide
Furosemide 40 mg is equivalent to what dose of torsemide?
20 mg torsemide
Bumetanide 1 mg is equivalent to what dose of furosemide?
40 mg furosemide
Furosemide 80 mg is equivalent to what dose of bumetanide?
2 mg bumetanide
Bumetanide 0.5 mg is equivalent to what dose of torsemide?
10 mg torsemide
Bumetanide 2 mg is equivalent to what dose of ethacrynic acid?
100 mg ethacrynic acid
Ethacrynic acid 25 mg is equivalent to what dose of torsemide?
10 mg torsemide
Ethacrynic acid : furosemide : torsemide : bumetanide
50:40:20:1
Furosemide IV:PO
1:2
Loop diuretics IV:PO (other than furosemide)
1:1
Furosemide 20 mg IV is equivalent to what dose of bumetanide PO?
1 mg bumetanide
Furosemide 40 mg PO is equivalent to what dose of bumetanide IV?
0.5 mg bumetanide
Metoprolol IV:PO
1:2.5
Ferrous sulfate contains what percentage of elemental iron?
20%
Ferrous sulfate 325 mg contains how many mg of elemental iron?
65 mg
How do you convert from NPH insulin to insulin glargine?
Calculate daily dose of NPH, use 80% of that as insulin glargine once daily
A patient injects 20 units of NPH insulin BID. What is the equivalent dose of insulin glargine?
40 units of NPH daily x 0.8 = 32 units insulin glargine once daily
Toujeo to other forms of insulin glargine or detemir
use 80% of Toujeo dose
Levothyroxine IV:PO
0.75:1
A patient takes 50 mcg of levothyroxine daily. What is the equivalent IV dose of levothyroxine?
37.5 mcg
Cortisone 25 mg is equivalent to how many mg of hydrocortisone?
20 mg
Cortisone 25 mg is equivalent to how many mg of prednisone?
5 mg
Cortisone 25 mg is equivalent to how many mg of Medrol?
4 mg
Cortisone 25 mg is equivalent to how many mg of triamcinolone?
4 mg
Cortisone 25 mg is equivalent to how many mg of dexamethasone?
0.75 mg
Cortisone 25 mg is equivalent to how many mg of betamethasone?
0.6 mg
Prednisone 10 mg is equivalent to how many mg of prednisolone?
10 mg
Hydrocortisone 20 mg is equivalent to how many mg of dexamethasone?
0.75 mg
Triamcinolone 8 mg is equivalent to how many mg of prednisone?
10 mg
Betamethasone 0.6 mg is equivalent to how many mg of methylprednisolone?
4 mg
Methylprednisolone 2 mg is equivalent to how many mg of prednisone?
2.5 mg
Prednisone 50 mg is equivalent to how many mg of dexamethasone?
7.5 mg
Prednisone 50 mg is equivalent to how many mg of hydrocortisone?
200 mg
Morphine IV:PO
1:3
Oxycodone 20 mg PO is equivalent to how many mg of morphine PO?
30 mg
Oxycodone 20 mg PO –> morphine IV
10 mg
Morphine 10 mg IV –> hydromorphone IV
1.5 mg
Hydromorphone 1.5 mg IV –> hydromorphone PO
7.5 mg
Hydromorphone 1.5 mg IV –> oxycodone PO
20 mg
Hydrocodone 30 mg PO –> morphine PO
30 mg
Fentanyl 0.1 mg IV –> morphine IV
10 mg
Pitavastatin 2 mg –> rosuvastatin
5 mg
Pitavastatin 2mg –> atorvastatin
10 mg
Atorvastatin 10 mg –> simvastatin
20 mg
Lovastatin 40 mg –> atorvastatin
10 mg
Lovastatin 40 mg –> pitavastatin
2 mg
Fluvastatin 80 mg –> pitavastatin
2 mg
Lovastatin 40 mg –> pravastatin
40 mg
Pitavastatin 2mg –> pravastatin
40 mg
Rosuvastatin 5 mg –> pravastatin
40 mg
Atorvastatin 80 mg –> rosuvastatin
40 mg
Rosuvastatin 20 mg –> atorvastatin
40 mg
Pravastatin 80 mg –> atorvastatin
20 mg
Fluvastatin 80 mg –> simvastatin
20 mg
5 mL lithium citrate syrup = how many mg of lithium carbonate?
300 mg
Lithium carbonate 300 mg = how many mEq of Li+?
8 mEq
8 mEq Li+ = how many mL lithium citrate syrup?
5 mL
