Cardiopulmonary Pharmacology: Drug Actions

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cardiopulmonary pharm ppt, pgs 1-5

Pharmacology

study of drugs; their origin, nature, properties and effects

Pharmaceutical Phase

method by which a drug is delivered (route of administration and drug form)

Pharmacokinetic Phase

the time required for drug absorption, drug action, drug distribution in the body and metabolization and excretion of drug.

Pharmacodynamic Phase

refers to the mechanism of action by which a drug causes its therapeutic effect

Tolerance

when increased amounts of a drug are needed to produce the desired effect, possibly due to increased enzyme levels related to enzymatic activity that develops over a period of time

Tachyphylaxis

rapid development of drug tolerance

Cumulative Effect

exaggerated response and a possibly toxic situation

Additive Effect

an exaggerated response, occurs when two or more drugs are administered with the same effect on the body

Synergy

when two or more drugs produce an effect or response that neither could produce alone

Potentiation

either when two drugs produce an effect that is greater than what they usually produce when given alone or when one drug enhances the effect of another drug

Antagonism

when two drugs have opposite effects

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