Calculations I Flashcards
How many mLs in 1 fl oz?
How many ounces in 1 cup?
How many ounces in 1 pint?
How many mLs in 1 gallon?
1 fl oz = 30mL
1 cup = 8oz
1 pint = 16oz
1 gallon = 3840mL
How many grams in 1 ounce?
How many ounces in 1 pound?
How many grams in 1 pound?
How many milligrams in 1 grain?
1 oz = 28.4g
1 lb = 16oz
1 lb = 454g
1 grain (gr) = 65mg
How many mEq = 1 mmol for K+, Na+, and other monovalent ions?
How many mEq = 1 mmol for Ca2+, and other divalent ions?
Monovalent: 1 mEq = 1 mmol
Divalent: 1 mEq = 0.5 mmol
How many nanograms are in 1 mcg?
How many micrograms are in 1 mg?
1mcg = 1000ng
1mg = 1000mcg
aminophylline/theophylline (asthma)
Aminophylline to Theophylline: Multiply by 0.8 (ATM)
Theophylline to Aminophylline: Divide by 0.8
calcium salts conversions
calcium carbonate = 40% elemental calcium
calcium citrate = 21% elemental calcium
insulin conversions
NPH BID -> glargine QD
- decrease TDD by 80%
Toujeo -> glargine or detemir
- decrease TDD by 80%
iron salts conversions
lithium salts conversions
5mL lithium citrate syrup = 300mg lithium carbonate = 8mEq Li- ion
loop diuretics conversions
ethacrynic acid 50mg
furosemide 40mg
torsemide 20mg
bumetanide 1mg
(furosemide IV:PO = 1:2; other loops IV:PO = 1:1)
opioids conversions
potassium chloride conversions
KCl solution (oral) to tablets
KCl 10% = 20mEq/15mL
statins conversions? (Pharmacists Rock At Saving Lives and Preventing Flu)
pitavastatin 2mg
rosuvastatin 5mg
atorvastatin 10mg
simvastatin 20mg
lovastatin 40mg
pravastatin 40mg
fluvastatin 80mg
systemic steroids conversions
(CHPPMTDB)
cortisone 25mg
hydrocortisone 20mg
prednisone 5mg
prednisolone 5mg
methylprednisolone 4mg
triamcinolone 4mg
dexamethasone 0.75mg
betamethasone 0.6mg
IV:PO conversions for furosemide, levothyroxine, and metoprolol
Furosemide 1:2
Levothyroxine 0.75:1
Metoprolol 1:2.5