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143 Cards in this Set
- Front
- Back
cimetidine aka
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tagamet
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cimetidine class
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H2 antagonist
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cimetidine iv dose
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300mg
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cimetidine clinical use
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decrease aspiration pneumonitis, treat ulcers, GERD
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cimetidine onset and duration
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1 hour onset, 4-8 hour duration
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cimetidine MOA
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competitively inhibits histamine by binding to H2 receptors, thereby reducing gastric acid output
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cimetidine adverse reactions
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headache, diarrhea, BRONCHOSPASM, heart block, hoTN, arrhythmias, cardic arrest, bradycardia
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cimetidine interactions
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binds to CYP450, slowing drug metabolism (warfarin, phenytoin, etc)
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cimetidine contraindications
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renal disease
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cimetidine metabolism
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hepatic & renal
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cimetidine's effect on muscle relaxants
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prolongs action of NDMRs and DRMs
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benadryl class
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H1 blocker
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benadryl dose
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10-50mg IV (0.5-1.5mg/kg)
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benadryl onset and duration
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onset 1-3 minutes, duration 3-6 hours
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benadryl clinical use
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suppression of allergies, vertigo, N/V, sedation
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benadryl MOA
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competitively inhibits H1 receptors (does not effectively tx bronchospasm)
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benadryl adverse reactions
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hoTN, tachycardia, dizziness, urinary retention, seizures, dry mouth, anticholinergic effects, sedation
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benadryl interactions
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potentiates other CNS depressants, MAOIs prolong
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benadryl metabolism
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hepatic
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dolasetron aka
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anzemet
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anzemet class
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5HT3 receptor antagonist
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anzemet dose
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12.5mg (0.2mg/kg)
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anzemet onset and duration
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onset < 30 minutes (must be reduced to active metabolite before it can work), duration 24 hours
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anzemet clinical use
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prevention and tx of PONV
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anzemet MOA
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selectively blocks peripheral and central 5HT3 receptors
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anzemet adverse reactions
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prolonged QT interval
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anzemet interactions
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caution with diuretic and antiarrhythmic therapy
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contraindications to anzement
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prolonged QT syndrome
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anzemet metabolism
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hepatic
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granisitron aka
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kytril
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kytril classification
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selective 5HT3 receptor antagonist
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kytril dose
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1mg IV (0.014 mg/kg)
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kytril onset and duration
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onset < 30 minutes, duration up to 8 hours
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kytril use
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prevention and treatment of PONV
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kytril MOA
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selectively antagonizes 5HT3 receptors peripherally and centrally
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kytril adverse effects
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headache, prolonged QT
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kytril interactions
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caution with diuretic and antiarrhythmic therapy
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contraindications to kytril
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prolonged QT
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kytril metabolism
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hepatic
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ondanestron aka
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zofran
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zofran classification
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selective 5HT3 receptor antagonist
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zofran dose
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4mg (0.4-0.5mg/kg)
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zofran onset and duration
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onset < 30 minutes, duration 3-6 hours
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zofran clinical use
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prevention and treatment of PONV
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zofran MOA
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selectively antagonizes peripheral and central 5HT3 receptors
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zofran adverse reactions
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headache, bradycardia, prolonged QT
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zofran interactions
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caution with diuretics and antiarrhythmic therapy
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zofran contraindications
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decrease dose in liver disease
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zofran metabolism
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hepatic
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ketoralac aka
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toradol
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ketoralac class
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NSAID
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ketoralac dose
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30-60mg
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ketoralac onset and duration
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onset 10 minutes, duration 6-8 hours
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ketoralac clinical use
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analgesia, antipyretic, anti-inflammatory
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ketoralac MOA
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COX 1 and 2 inhibition, prosteglandin inhibition, doesn't cross BBB
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ketoralac adverse reactions
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inhibits platelet aggregation and prolongs bleeding, renal toxicity, GI ulcers
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ketoralac interactions
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avoid use with ASA and other NSAIDS
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ketoralac contraindications
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renal failure, recent GIB, not for use in pregnancy
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ketoralac metabolism
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hepatically metabolized and renally excreted
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methylene blue dose
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1-2mg/kg
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methylene blue use
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treatment of methemoglobinemia, diagnostic dye
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methylene blue adverse reactions
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N/V, ha, transient decrease in pulse ox, anemia with G6PD deficiency
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methylene blue contraindications
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G6PD deficiency, renal insufficiency
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methylene blue metabolism
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hepatic (CYP 450)
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metaclopramide aka
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reglan
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reglan class
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dopamine antagonist
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reglan dose
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10-20mg (0.25mg/kg)
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reglan onset and duration
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onset 1-3 minutes, duration 1-2 hours
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reglan clinical use
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PONV prophylaxis, increase gastric motility and decrease gastric volume, GERD, gastroparasis
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reglan MOA
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antagonizes dopamine receptors in the CTZ, increasing GI motility and accelerating emptying, increases LES tone
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reglan adverse reactions
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sedation, dry mouth, depression, EP symptoms, cardiac dysrhythmias, abd cramps, may inhibit plasma cholinesterase
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reglan interactions
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additive CNS depression with other CNS depressants
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reglan contraindications
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GI obs, pheo, HTN crisis, parkinsons, opposed by atropine/glyco
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reglan metabolism
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hepatic, 85% excreted unchanged in urine
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reglan dose adjustment in pts with
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renal dysfunction
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midazolam aka
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versed
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preop midazolam dose
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0.5-5mg (0.02-0.1mg/kg)
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midazolam onset
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1 minute
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midazolam duration
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2 hours (short acting)
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midazolam half life
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2-4 hours
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midazolam MOA
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binds to GABA, opens Cl channels, and hyperpolarizes receptor
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midazolam interactions
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synergistic with opioids and propofol, enhances resp dep and sedation
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midazolam se
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drowsiness, decreased CBF/CMRO2/ICP
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midazolam metabolism
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hepatic
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midazolam induction dose
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0.15-0.3mg/kg
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midazolam CI
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hepatic or renal impairment (active metabolite)
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lorazepam aka
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ativan
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preop ativan dose
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0.5-4mg IV
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ativan induction dose
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0.1-0.25mg/kg
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ativan onset
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1 minute
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ativan duration
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6-8hours
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ativan half life
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10-20 hours
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ativan MOA
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binds to GABA, opens Cl channels, hyperpolarizes
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ativan SE
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drowsiness, fatigue, decreased BP/increased HR
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ativan interactions
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synergistic effect with opioids and propofol, enhancing resp dep and sedation
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benzodiazepine CI
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pregnancy, glaucoma, caution in hepatic and renal disease
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ativan metabolism
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hepatic
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diazepam aka
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valium
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valium preop dose
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2-10mg (0.05-0.2mg/kg)
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valium induction dose
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0.3-0.6mg/kg
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valium onset
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1 minute
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valium duration
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6-8 hours
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valium half life
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20-40 hours
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valium metabolism
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hepatic
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valium metabolism delayed by
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cimetidine
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etomidate aka
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amidate
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etomidate classification
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carboxylated imidazole
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etomidate onset/duration
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30 seconds/3-8 minutes
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etomidate MOA
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binds to GABA, allows Cl influx, hyperpolarization
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etomidate SE
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myoclonia, adrenal suppression (11 b hydroxylase), injection pain, PONV, decreased ICP/CBF/CMRO2/IOP
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etomidate CI
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seizure hx, porphyria
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etomidate metabolism
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hepatic and plasma esterases (ester hydrolysis)
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etomidate supplied
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2mg/ml
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ketamine aka
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ketalar
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ketamine class
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phencyclidine
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ketamine dose
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1-2mg/kg
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ketamine onset/duration
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30 sec/3-5 minutes
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ketamine moa
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non competitive antagonist at NMDA receptor, block glutamate
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ketamine CI
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psych disorders, increased ICP/IOP, HTN, CAD, glaucoma
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metabolism ketamine
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hepatic metabolism, renal excretion
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ketamine supplied
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10mg/ml, 5mg/ml
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propofol onset/duration
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30sec/3-10 minutes
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propofol moa
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binds to GABA, allows Cl influx, hyperpolarizes
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propofol se
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cardiac depression
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propofol CI
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soy, peanut, egg allergy
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propofol supplied
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10mg/ml
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thiopental aka
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pentothal
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pentothal classification
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short acting barbiturate
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pentothal induction dose
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3-5mg/kg
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pentothal onset/duration/half life
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30 sec/5-10 minutes/10-12 hours
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pentothal active metabolite
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phenobarbital
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barbiturate MOA
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binds to GABA, allows Cl influx, hyperpolarizes
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pentothal SE
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histamine release, liver enzyme induction
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barbiturate SE
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decrease ICP/CMRO2/IOP/CBF, hypotension, tachycardia, anticonvulsant
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barbiturate CI
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porphyria
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pentothal CI
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porphyria, reactive airway diseases
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pentothal supplied
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20mg/ml
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methohexital, aka
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brevital
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brevital dose
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1-2mg/kg
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brevital onset/duration
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immediate/1-20 minutes
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brevital supplied
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10mg/ml
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brevital classification
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ultra short acting barb
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barbiturate metabolism
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hepatic
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