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Neuroscience Exam 3 Drugs and Treatments
Drugs and Treatments for Neuroscience Exam 3
110
Medical
Professional
05/01/2011

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Term
Pegaptanib
Definition
VEGF aptamer (nucleic acid against VEGF)
Term
Ranibuzumab
Definition
Fab (antibody fragment) from humanized mAb against VEGF
Term
Bevacizumab
Definition
VEGF-A function-blocking antibody
Term
Treatment for Diabetic Retinopathy
Definition
laser photocoagulation (focal for edema, scatter for proliferative DR), vitrectomy of nonclearing vitreous hemorrhage and peeling of epiretinal membranes, manage glucose/BP/cholesterol, intravitreal steroids
Term
Treatment for Dry AMD
Definition
vitamins, diet, stop smoking/UV
Term
Treatment for Wet AMD
Definition
photodynamic therapy, steroids, Anti-VEGF therapy (Avasting, Lucentis)
Term
Treatment for RB
Definition
enucleate eye, laser photocoagulation, systemic chemotherapy
Term
Treatment for Choroidal Melanoma
Definition
observe, radiation, enucleate if necessary, local resection
Term
Axonal-involved mononeuropathy multplex
Definition
nerve biopsy
Term
Demyelination in mononeuropathy multiplex
Definition
possible lumbar puncture and nerve biopsy
Term
Phenytoin/Ethotoin/Fosphenytoin
Definition
slows rate of recovery of Na+ channels, broad-spectrum but not for absence seizures, nonlinear metabolism (saturates at high concentrations), enzyme-inducing, BEWARE FETAL HYDANTOIN SYNDROME
Term
Phenobarbitol/Primidone
Definition
binding on GABA-A receptors opens them, broad-spectrum but not for absence seizures, enzyme-inducing, suspected teratogen, sedative side-effects
Term
Ethosuxamide
Definition
inhibits T-type Ca2+ channels, for absence seizures, non enzyme-inducing, suspected teratogen, GI side-effects
Term
Carbamazepine
Definition
inhibits Na+channels, broad-spectrum, enzyme-inducing, teratogenic, side-effects of diplopia/ataxia/aplastic anemia
Term
Clonazepam/Diazepam/Lorazepam/Clorazepate
Definition
allosteric GABA-A modulators, for absence/myoclonic seizures and status epilepticus, rectal diazepam for febrile seizures, suspected teratogens
Term
Valproic acid
Definition
inhibits GABA metabolsim, broad-spectrum, non enzyme-inducing, side-effects of nausea/vomiting, NEURAL TUBE DEFECTS
Term
Gabapentin
Definition
binds a2d1 and a2d2 subunits of Ca2+ channels, for partial and clonic-tonic seizures, non enzyme-inducing
Term
Lamotrigine
Definition
blocks Na+ channels and Ca2+ channels, for partial/clonic-tonic seizures, side-effects of diziness/ataxia
Term
Levetiracetam
Definition
binds SV2 protein to modulate neurotransmitter release, for refractory partial/myoclonic/absence seizures, non enzyme-inducing, side-effects of somnolence
Term
Topiramate
Definition
inhibits Na+ channels and activates K+ channels, limits AMPA-kainate receptor activation, for partial/tonic-clonic seizures, side-effects of cognitive impairment and somnolence
Term
Treatment for status epilepticus
Definition
IV lorazepam/diazepam then phenytoin/phenobarbitol (eosphyntoin is safer), propofol for severe cases
Term
Norepinephrine
Definition
direct agonist (a1=a2, B1>>B2), IV for hypotension and shock not caused by hypovolemia
Term
Epinephrine
Definition
direct agonist (B>a), IV for asthma/anaphylaxis/cardiac arrest, prolongs local anesthesia
Term
Dopamine
Definition
direct agonist (D1=D2>B1>>a), IV for shock/low renal perfusion
Term
Phenylephrine
Definition
a1-selective direct agonist, no 4-OH group (decreased B selectivity)
Term
Metaraminol/Methoxamine
Definition
a1-selective direct agonists, long-lasting
Term
a1-selective direct agonists
Definition
vasoconstrction/increased TPR/increased BP/reflex bradycardia, for nasal decongestion/hypotension/mydriasis/PSVT
Term
Treatment for febrile seizures
Definition
rectal diazepam, valproic acid, phenobarbitol
Term
Treatment for epilepsy
Definition
select most appropriate drug for seizure type, begin with monotherapy, push dose to mid toxicity, consider rational polypharmacy if unresponsive to monotherapy
Term
Clonidine/Methyldopa
Definition
a2 agonists, oral intake enters CNS, decrease CNS catecholamines, for HTN/opiate withdrawal/CNS depressant withdrawal, cause hypotension/sedation/decreased sympathetic outflow
Term
Isoproterenol
Definition
Non-selective B-agonist (B1+B2), IV/inhaled, for asthma/cardiac arrest/adams-stokes syndrome(asystole in AV-block), restores ventricular contractions, causes increased HR/increased contractility/decreased bronchi & GI smooth muscle contraction
Term
Dobutamine
Definition
B1-selective agonist, increases contractility directly at SA node, less action than isoproterenol, for short-term increases in cardiac output due to cardiogenic shock
Term
Albuterol/metoproternol/terbutaline
Definition
B2-selective agonists, IV/IM/inhalation, not recommended to delay uterine contractions
Term
Amphetamine
Definition
releases free NE/DA into cytoplasm, induces release of NE/DA into snapse, reverses monoamine reuptake transporter to pump NE/DA out, binds MAo to prolong NE/DA effects, direct agonist is L-form, indirect agonist is D-form (dextroamphetamine), for narcolepsy/ADHD/obesity, activate dopaminergic reward pathway, cause mood amplification/energy/motor excitement/aggression/increased libido/increased self-esteem/depence/anorexia/HTN/aggression/insomnia/psychosis, decreased DA re-uptake similar to parkinson's disease
Term
Adderall XR
Definition
amphetamine aspartate/sulfate and dextroamphetamine saccharate/sulfate
Term
Lisdexamfetamine
Definition
oral, converted to dextroamphetamine in GI, less addictive due to slower onset
Term
Methylphenidate
Definition
similar to D-amphetamine, for ADHD, increases synaptic NE/DA, causes HTN/insomnia/headache/anorexia/tics/anxiety/dysphoria
Term
Ephedrine/Pseudoephedrine
Definition
stimulates NE/DA release, resistant to MAO and COMT, for asthma and nasal congestion, oral action
Term
Cocaine
Definition
local anesthetic, non-ionized gets into cell and ionized blocks Na+ channels, inhibits DA/NE reuptake into presynaptic cell
Term
Atomoxetine
Definition
for ADHD in adults and children, high affinity for NE reuptake transporter, minimal DA elevation
Term
Sibutramine
Definition
for obesity, blocks serotonin uptake (satiety) and NE uptake (increased metabolsim), BEWARE SEROTONIN SYNDROME
Term
Modafinil
Definition
for narcolepsy/sleep apnea/shift work sleeping disorder, decreases GABA release/increases glutamate release, RISK OF EPIDERMAL NECROLYSIS
Term
Assessing suicide
Definition
ideation, passive/active, intentions, plans, access to means, risk factors
Term
Treatment for suicide
Definition
assessment/education, treat depression, psychotherapy, pharmacotherapy, DO NOT DO SUICIDE CONTRACTS, hospitalize if necessary
Term
Asessing violence
Definition
determine cause of violence for treatment, PROTECT YOURSELF FIRST!
Term
Acute treatment for violence
Definition
observe environment, decrease stimulation, premonitory signs, modulate your voice, change to neutral subjects, restrain and seclude if necessary
Term
Chronic treatment for violence
Definition
antipsychotics, mood stabilizers (lithium, anticonvulsants), SSRIs/Trazadone, benzoes (BEWARE PARADOXICAL DISINHIBITION), B-blockers, naltrexone, buspirone
Term
Treatment for schizotypal
Definition
understand symbolic content of beliefs, be flexible/patient/consistent, social skills training, antipsychotics for micro-manic episodes
Term
Treatment for paranoid
Definition
respect/integrity/tact/patience, do not challenge negative views, do not take notes, openness, accept tirades, connect with patient's feelings, observe your countertransferrence
Term
Treatment for schizoid
Definition
do not rush patient, respect physical/emotional distance, structure and social skills training
Term
Treatment for borderline
Definition
consistent/focus on here and now and strong affects AS THEY HAPPEN, help them see connections between actions/feelings, antidepressants or antipsychotics, monitor your countertransferrence and avoid projective identification, explore healthy outlets, watch for substance abuse, avoid potentially lethal meds
Term
Treatment for narcissistic
Definition
find out agenda, acknowledge errors, be cautious about critical remarks, monitor countertransferrence, watch for hypochondrial preoccupation and depression, encourage the patient
Term
Treatment for histrionic
Definition
beware eroticized transference/acting out, closely monitor your reactions, resist self-disclosure, help build self-esteem, be aware of help-rejecting complaining
Term
Treatment for antisocial
Definition
do not moralize, help them understand here and now, be stable/persistent, beware hidden agenda, have firm purpose/respect
Term
Treatment for dependent
Definition
be tactful/gentle, encourage decision-making, be attuned to your negative reactions, patient may be eager to please you, you may become transitional object
Term
Treatment for avoidant
Definition
be empathic/supportive, encourage active role in treatment, possible substance abuse
Term
Treatment for obsessive-compulsive
Definition
anticipate intellectualized material, expect perfect patient/attempts to control physician-patient relationship, address destructive compulsive behavior, encourage recreation, may resist medication
Term
Tricyclic antidepressants (TCA)
Definition
inhibit NE/serotonin reuptake, 2-3 weeks, oral-lipid soluble, P450 metabolism
Term
Imipramine
Definition
TCA, better at NE, for panic disorder/ADHD/enuresis
Term
Amitriptyline
Definition
TCA, sedative, for chronic pain/insomnia
Term
Doxepin
Definition
TCA, moderate NE/weak serotonin, anticholinergic/antihistamine
Term
Nortriptyline
Definition
TCA, metabolite of amitriptyline
Term
Heterocyclic antidepressants (HCA)
Definition
block reuptake and have additional actions
Term
Amoxapine
Definition
HCA, blocks NE reuptake, DA agonist, causes dyskinesia
Term
Maprotlinie
Definition
HCA, selectively blocks NE reuptake, less anticholinergic effects
Term
Trazodone
Definition
HCA, blocks 5HT reuptake, 5HT receptor agonist, for insomnia/impotence
Term
Bupropion
Definition
HCA, weak 5HT reuptake blocker, for smoking cessation
Term
SSRIs
Definition
first-line antidepressants due to low incidence of side effects
Term
Fluoxetine
Definition
SSRI, enhances 5HT action
Term
Sertraline
Definition
SSRI, for OCD
Term
Paroxetin
Definition
SSRI, for panic attacks/social anxiety
Term
Citalopram/escitalopram
Definition
SSRIs
Term
Mirtazapine
Definition
blocks a2 receptors, postsynaptic 5HT2/3 antagonist
Term
Venlafaxine
Definition
SNRI, 5HT/NE reuptake inhibitor
Term
Desvelafaxine
Definition
SNRI, enhances NE/5HT/DA transmission
Term
Duloxetine
Definition
SNRI, for refractory major depression
Term
Vilazodone
Definition
SSRI and partial 5HT1a
Term
MAOIs
Definition
irreverisbly inhibit MAO-A/B, 2-3 weeks, HTN crisis with cheese and tyramines
Term
Phenelzine/Tranylcypromine
Definition
MAOIs
Term
Lithium
Definition
for bipolar disorder, blocks IP2/IP1 metabolism, adjunct to valproic acid/carbamazepine/lamotrigine, causes hypothyroidism/convulsions/tremor/ataxia/nausea
Term
Phentolamine
Definition
Nonselective a-blocker, competitive/reversible, for pheochromocytoma/HTN/extravasation of CA/cocaine overdose
Term
Phenoxybenzamine
Definition
Nonselective a-blocker, irreversible/covalent, for pheochromocytoma/HTN, causes hypotension/responsatory tachycardia
Term
Prazosin/Terazosin/Doxazosin
Definition
a1-selective blockers, for HTN/BPH/CHF, less tachycardia and renin release than nonselective a-blockers, cause vasodilation
Term
Tamsulosin/Alfuzosin
Definition
a1A-selective blockers, for BPH
Term
Propranolol/Nadolol/Pinodolol/Timolol
Definition
Nonselective B-blockers
Term
Acebutolol/Atenolol/Esmolol/Metoprolol
Definition
B1-blockers, don't inhibit bronchodilation/glycogenolysis/vasodilation
Term
Pindolo/Acebutolol
Definition
intrinsic sympathomimetic activity, cause less bradycardia/serum lipid/bradyarrhythmias
Term
Acebutolol/Metoprolol/Pindolol/Propranolol
Definition
local anesthetic activity, for cardiac arrhythmias
Term
B-blockers
Definition
for glaucoma/HTN/tachyarrhythmias/angina/MI/CHF/migraine prophylaxis/performance anxiety/hyperthyroidism, cause cardiac depression/peripheral vascular edema/bronchospasm/fatigue/masked hypoglycemia
Term
Labetalol/Carvedilol
Definition
Mixed a&B-blockers, for HTN/CHF
Term
Reserpine
Definition
irreversible VMAT pump inhibitor, depletes NE/Epi/DA/5HT, causes sedation/decreased cardiac output/decrease peripheral resistance, supersensitive to direct agonists, nonresponsive to indirect agonists, for HTN/agitated psychosis, casues unopposed parasympathetic reponse (GI ulceration)/CNS impairment (decreased concentration/lethargy/nightmares/psychotic depression/parkinsons's)
Term
Bretylium
Definition
impairs NE release, less NE depletion, for ventricular arrhythmias, increases AP duration and refractory period
Term
a-methyl-p-tyrosine
Definition
irreversible tyrosine hydroxylase inhibitor, enters CNS, for pheochromocytoma, causes hypotension/headaches/nausea/sweating/tachycardia from excess CAs
Term
COMTIs
Definition
enhance L-dopa availability
Term
Entacapone
Definition
COMTI, for parkinson's
Term
Tolcapone
Definition
COMTI
Term
Pilocarpine effects on heart
Definition
muscarinc agonist, ECs/NO/guanylate cyclase/cGMP/vasodilation/decreased TPR/decreased diastolic pressure
Term
Acetylcholine effects on heart
Definition
muscarinic/nicotinic agonist, similar to pilocarpine but show short effect due to AChE
Term
Carbachol effects on heart
Definition
synthetic muscarinic/nicotinc agonist, similar to pilocarpine and longer than ACh
Term
Phenylephrine effects on heart
Definition
a1 agonist, vasoconstriction/increased TPR/increased diastolic pressure, long duration
Term
Norepinephrine effects on heart
Definition
a&B1-agonist, similar diastolic effects as phenylephrine, B1 receptors increase contractility/increased SV/increased pulse pressure
Term
Isoproterenol effects on heart
Definition
B1&B2-agonist, B2 receptors vasodilation/decreased TPR/decreased diastolic pressure/decreased systolic pressure
Term
Epinephrine effects on heart
Definition
a&B1&B2-agonist, a1 effects dominate, widened pulse from B1, B2 opposes B1 less diastolic rise
Term
Tyramine effects on heart
Definition
indirect NE agonist, same effects as NE
Term
DMPP effects on heart
Definition
stimulates adrenale NAChRs to release CAs, epinephrine dominance
Term
Atropine effects on heart
Definition
muscarinic antagonist, no effect on its own, removal of vagal dominance at SA node, no effect on BP/increased HR
Term
Acetylcholine + Atropine effects on heart
Definition
M3 not fully blocked, increased diastolic pressure/increased BP/increased HR
Term
Epinephrine + Atropine effects on heart
Definition
atropine blocks muscarinic (vagal) portion, B1 response dominates increased HR from SA node/increased BP
Term
Epinephrine + Phenoxybenzamine effects on heart
Definition
irreversible a-antagonist, no vasoconstriction/no increased TPR, B2 vasodilation decreased BP/compensatory and B1 SA-nodal increases in HR
Term
Epinephrine + Phenoxybenzmine + Practolol
Definition
B1-blocker, no more B1 SA-node increases to HR, B2-only affect vasoconstriction/decreased BP
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