multimodal analgesics Flashcards
(32 cards)
Gabapentin dose
300-1200mg PO 1-2hr OR
Gabapentin is contraindicated in ______
MG
Gabapentin SE
Somnolence
Fatigue
Ataxia
Vertigo
GI disturbances: constipation
Abrupt withdrawal in seizure pts: seizures
Weight gain
Effects of NSAIDs
Which COX is ubiquitous?
COX1
NSAIDS are used for what 3 things
analgesia, antiinflammation and antipyretic
nonspecific NSAIDs are
Ibuprofen, naproxen, aspirin, acetaminophen, ketorolac
Specific COX 2 NSAIDs are
Celecoxib (Celebrex), rofecoxib (Vioxx), valdecoxib (Bextra), parecoxib (Dynastat)
COX ____ produces increase risk of bleeding
1
Celebrex dose
200-400mg
peak 3hr
COX 2
Ofirmev dose
Peak (PO;IV)
Dose
1000 mg IV Q4-6H; max 3000-4000 mg QD
peak 1-3hr PO
peak 30-60min IV
Duration: 6-8hr
Ofirmev does not have any ____ properties
antiinflammation
Ketorolac MOA
inhibits PG synthesis by inhibiting COX1 and COX2
Ketorolac dose
peak
15-30mg q6h (1/2 dose in elderly)
Max 60-120mg QD
Peak: 45-60min
With what disease will you not give ketorolac?
renal impairment because this drug can cause further renal impairment
ketorolac has no effect on ___ tract and _____
biliary; ventilation
Ibuprofen inhibits ____ and ____
COX 1 and 2
Ibuprofen dose
Max dose
Peak
Excretion
Dose: 200-800mg over 30min Q6hr
max 3200mg/day
Peak: 1-2 hr
Excretion: urine and bile
Lidocaine Doses
Bolus and Drip
1 to 2 mg/kg IV (initial bolus) over 2 - 4 min.
1 to 2 mg/kg/hour (drip)
terminated 12 - 72 hours
Dose dependent effects of lidocaine
Mag attaches to what receptor?
NMDA antagonist
magnesium has limited passage across the ___
BBB
Mag dose in preop and intraop
50mg/kg IV preop, then …
8 mg/kg/hr intraoperatively
corticosteroids increase the effectiveness of __ and ____
zofran and droperidol