Neuro Flashcards
Treatment for subarachnoid hemorrhage
Nimodipine
what is the time gap that tPa can be used for a stroke
4.5hrs—pt presents w/in 3hrs of onset
Treatment for cluster HA
inhaled O2
sumatriptan
Abortive therapy for migraine
Triptans
Prophylactic therapy for migraine
propranolol
topiramate
List the alpha blocker s used for glaucoma and MOA for this
Epinephrine–decrease aqueous humor syn by VC
Brimonidine—Decrease aquaous humor syn
toxicity associated with use of epi and Brimonidine for glaucoma
Mydriasis blurry vision ocular hyperremia FB sensation ocular allergic Rxn ocula pruritus
List the beta blockers used for glaucoma and the MOA
Timolol
betaxolol
carteolol
decrease aqueous humor syn
List the diurectic used for glaucoma and the MOA for this
Acetazolamide
decreases aqueous humor syn via inhibition of Carbonic anhydrase
List the cloinomimetics used for glaucoma
direct: pilocarpin, carbachol
Indirect: physostigmine, echothiophate
How do the cholinomimetics increase aqueous humor outflow
by contraction of ciliary muscle and opening of the trabecular meshwork
When is pilocarpine used
only during emergencies
Toxicities associated with using cholinomimetics for glaucoma
miosis
cyclospasm
List the prostaglandin used for glaucoma and the MOA for this
Latanoprost PGF2alpha
increases outflow of aquaos humor
Latanaprost toxicity
darkens color of the iris
List all of the opioid analgesics
Morphine fentanyl codeine heroin methadone meperidine dextromethorphan diphynoxylate
Opioid MOA
opening K+ channels an d closing Ca2+ channels reducing transmission
Inhibit release of Ach, NE, 5-HT, glutamate, subsstance P
List the receptor that opoid inhibit
mu–morphine
delta–enkephalin
kaapa–dynorphin
Which of the opiod is used for coudh suppression in additon to pain
dextromehtorphan
Which opioid is used for diarrhea inaddition to pain
diphenoxylate
Opiods are also used for
acute pulmonary edema
Opiod toxicity
Addiction Respiratory depression constipation--no tolerance! Miosis---no tolerance to this Additive CNS depression with other drugs
Treatment of opioid intoxication
Naloxone
naltrexone
Butophenol MOA
Mu-opiod partial agonist
kappa-opioid receptor agonist