Pharmacy Calculators

	A	E	F	G	H	I	O	P	Q	R	S	Y	Z
1		Input					Output					Comments
2		Input					Output					Comments

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5	eCrCl
6			Age		65	years		eCrCl		45	mL/min		Adjusted body weight (74 kg) was used to calculate eCrCl since actual body weight is at least 20% higher than ideal body weight (57 kg)
7			Gender		Female
8			Weight		218	lb
9			Height		65	in
10			SCr		1.3	mg/dL
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16	Sodium Correction Fluid Rate
17			Gender		Male			Fluid Rate		676	mL/hr		Asymptomatic Chronic Hyponatremia: correct by 0.5 mEq/L/hr to avoid central pontine myelinolysis Symptomatic Chronic Hyponatremia: correct by 1 mEq/L/hr with 3% saline
18			Age Category		Adult
19			Age Category		Adult
20			Weight		155	lb
21			Sodium		122	mEq/L
22			Fluid		NS
23			Correction Rate		0.5	mEq/L/hr
24			Correction Rate		0.5	mEq/L/hr
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30	Serum Osmolality
31			Sodium		140	mEq/L		Calculated Osmolality		295	mOsm/kg		Possible causes of the osmolality gap include ingestion of ethanol, methanol, ethylene glycol, or isopropyl alcohol, or lorazepam infusions (containing propylene glycol). Treatments: Methanol and ethylene glycol ingestions are treated with fomepizol or ethanol
32			Glucose		90	mg/dL		Calculated Osmolality		295	mOsm/kg
33			BUN		15	mg/dL		Gap		45	mOsm/kg
34			Ethanol		20	mg/dL
35			Measured Osmolality		340	mOsm/kg
36			Measured Osmolality		340	mOsm/kg
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42	Opioid Equivalency
43			From	Drug	Morphine			Morphine 40 mg IV					Tablet with acetaminophen or ibuprofen: 2.5, 5, 7.5, 10 mg Elixir with acetaminophen: 7.5 mg Solution with acetaminophen: 7.5 mg/15 mL, 10 mg/15 mL
44				Strength	40	mg		may be converted to
45				Route	IV			(-0%) Hydrocodone 120 mg PO
46			To	Drug	Hydrocodone			(-30%) Hydrocodone 84 mg PO
47			To	Route	PO			(-50%) Hydrocodone 60 mg PO
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64	Fluoride Toxicity Referral
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67			Salt		Sodium fluoride			Refer if patient ingested more than					If asymptomatic (or minor GI upset) and <5 mg/kg ingested, stay home. Drink a glass of milk and monitor for at least 6 hours. If worse symptoms develop, call the poison center.
68			Salt		Sodium fluoride				10.8	tsp
69			Concentration		0.14	% w/v		or if patient has severe symptoms.
70			Patient Weight		15	lb
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76	Toxic Doses
77			Substance		Colchicine			Toxic Dose		>0.5 mg/kg
78			Age Category		Adult
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