Pharmacokinetic Equations Flashcards

(15 cards)

1
Q

Amount of Drug Absorbed

A

= (S)(F)(Dose)

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2
Q

Dose of Different Dosage Form

A

= [Amount(mg) absorbed current form] / [(S)(F) of new dosage form]

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3
Q

Concentration in plasma (Cp)

A

= [(S)(F)(Dose)] / (Vd)

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4
Q

Loading Dose

A

= [(Vd)(Cp)] / [(S)(F)

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5
Q

Supplemental Loading Dose

A

= [(Vd)(Cp desired - Cp initial)] / [(S)(F)]

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6
Q

Clearance (Cl)

A

= (S)(F)(Dose/tau) / (Cp ss avg)

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7
Q

Tau

A

frequency in hours

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8
Q

Maintenance Dose

A

= [(Cl)(CPss avg)(tau)] / [(S)(F)]

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9
Q

Elimination rate constant (K el)

A

= (Cl)/(Vd)

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10
Q

Half-life (t1/2)

A

= 0.693/(K el)

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11
Q

K el

A

Elimination rate constant

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12
Q

Vd

A

volume of distribution

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13
Q

S

A

salt factor (1)

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14
Q

F

A

bioavailability factor (1)

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15
Q

Cp

A

concentration in plasma

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