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26 Cards in this Set

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atropine
antagonist muscarinic receptors affecting the parasympathetic nervous system
useful for dangerously low heart rate
metoprolol
beta-1 adrenergic receptor antagonist affecting the sympathetic nervous system
useful for blood pressure, protective effect after heart attacks
succinylcholine
depolarizes NMJ, causing spastic paralysis - Tx prior to surgery
Cholinomimetic
Mimics Ach in the motor system - binds N1
bethanechol
to treat 'lazy gut'; causes GI and bladder contraction
Cholinomimetic
Mimics Ach in the parasympathetic system, specifically gut
Physostigmine
Acetycholine esterase inhibitor
Crosses blood brain barrier
Used to treat atropine OD
Organophosphates (ex Parathion)
Irreversible acetylcholine esterase inhibitor
Nerve gas
Rodent poison
TREAT with atropine and Pralidoxine
Pralidoxine
treat organophosphate poisoning
Carbidopa
Blocks decarboxylation of dopa to dopamine
Cannot cross blood brain barrier to prevents overproduction of dopamine, epi, and NE in rest of body when delivering L-dopa to parkinson's patients
Tricyclics
block reuptake of NE, serotonin
anti-depressant
SSRIs
block reuptake of serotonin
anti-depressant
amphetamine
blocks reuptake of NE/E
Catecholaminomimetics (sympathomimetic)
cocaine
blocks reuptake of NE/E
Catecholaminomimetics (sympathomimetic)
ephedrine
Blocks reuptake of NE/E/Ser
Works similarly to tri-cyclic antidepressants
Catecholaminomimetics
MAOi
Catecholaminomimetics - blocks the breakdown of NE in the cytoplasm after reuptake, increasing its concentration
Do not give with false transmitter. leads to excess NE in cleft and hypertensive crisis
Clonidine
alpha-2-receptor agonist
reduce hypertension by preventing release of NE/E
But reduction of release of NE/E in brain will make depression worse in depressed patients, contraindication
Sympatholytic
Sympathomimetic
stimultes post-synaptic excitatory alpha receptors only, will not bind pre-synaptic inhibitory alpha receptors
Albuterol
beta-2 agonist
bronchodilator in asthma
Dopamine
D1=D2>Beta-2>Beta1>alpha agonist
congestive heart failure - beta-1 agonist to force the heart to keep moving the blooding
Dobutamine
Beta-1>Beta-2 agonist
congestive heart failure- beta-1 agonist to force the heart to keep moving the blooding
Atenolol
beta-1 antagonist
post-MI protection to reduce stress on heart
Lobetalol
alpha-1>beta-1 antagonist
control hypertension
Propranolol
beta-1=beta-2 antagonist
control hypertension, but cannot use in an asthmatic patient
Ergot alkaloids
serotonin mimickers
Peripheral vasoconstrictors
CNS stimulators ("convulsive ergotism")
Like being treated with LSD
Bromocriptine maleate
serotonin agonist
parkinsonism
gynecomastia
Melatonin
serotonin agonist
resets biological sleep clock
Ergonovine maleate
serotonin agonist
stop postpartum bleeding by inducing oxytoxic effects