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Drug Excretion
PHAR340
6
Pharmacology
Undergraduate 3
12/05/2012

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Cards

Term
Probenecid
Definition
Competes with penicillin for anionic renal transporter
Term
Furosemide
Elimination?
Definition
Eliminated by renal clearance
Term
Gentamicin
Elimination?
Definition
Eliminated by renal clearance
Term
Digoxin
Elimination?
Definition
First-order elimination by glomerular filtration
GFR = 130 ml/min
Freely filtered, not bound to plasma protein
Rate increases with [drug] at constant rate
μg/ml x ml/min = μg/min
Term
Acetylsalicylic acid (ASA, aspirin)
Dose regiment?
Definition
Dose regiment is dependent on desired therapeutic effect
Low dose → analgesic effect
High dose → anti-inflammatory effect
Term
Ethanol
Elimination?
Definition
Zero order kinetics at ADH enzyme saturation
Pseudo-first order until concentration is low
Rate is constant with further increase in [drug]
10ml/hour, 1 drink is 17ml
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