concepts Flashcards
half life
the time it takes for the serum concentration of drug in the body to decrease 50% the peak level
first pass effect
drug gets metabolized at a specific location in the body that results in a reduced concentration of the active drug upon reaching its site of action or the systemic circulation
oral drugs
tolerance
drug becomes accustomed to a particular drug over time
requires larger dose to produce the same effect
protein bound
when bound inactivated
when inbound activated
highly protein bound high affinity longer time to reach therapeutic effect
toxicity
poisoning or overdose of the drug
results from excessive amounts of drugs and can cause damage to the tissues
check if patient is breathing or not breathing
sources of drug information
Drug labels and package inserts
Most accurate source due to FDA regulations
Drug reference books
Includes point of care reference and Electronic Medical Record (EMR)
Journals
Internet sites
Carefully scrutinize-use government sites and nursing/Health Care sites only