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80 Cards in this Set

  • Front
  • Back
Hypotension, pressor agent α / β1 β3 (β2) neuronal, non-circulating, I:MAOI, TCA
Norepinephrine
Allergic reactions, shock, CPR α / β1 β2 (β3) adrenal medulla, circulate; I: maoi,TCA
Epinephrine
Renal vasodilatation during shock α1 / β1 / D, precursor to NE, I: MAOI
Dopamine
Asthma, cardiac stimulant β, synthetic, not endogenous; BP(↓, --) HR↑
Isoproterenol
Selective alpha1-agonists, Nasal decongestant, hypotension, Not commonly used for hypotension;S: CV, reflex bradycardia
Phenylephrine
Selective alpha2-agonists, Hypertension, Opioid withdrawal, α2, ↓ cns sympathetic outflow, inhibit NE release,rebound HT; S: dry mouth, sedation, impotence.α-methyl-dopa is metabolized to α-methyl-NE (α2-agonist, positive Coombs test)
Clonidine
bad part of B2 agonist with heart
(↑HR, ↓BP)
Selective beta2-agonists
albuterol
CHF, cardiac stimulant, Increase force, no change in HR or oxygen demand β1, iv infusion, tolerance, desensitization,
Dobutamine
Premature labor, β2--selective
Ritodrine
Parkinson’s disease precursor to DA, cross to CNS
L-Dopa
Nasal decongestant, red eyes α /β, also indirect to release NE; I: AOI, TCA
Ephedrine
Narcolepsy, hyperactivity, [obesity], Indirectly-acting Sympathomimetics (Displaces NE), CNS stimulant, requires uptake1,can cause tolerance, tachyphylaxus
Amphetamine
Hyperactivity disorder (ADHD), Indirectly-acting Sympathomimetics (Displaces NE), CNS stimulant, requires uptake1,can cause tolerance, tachyphylaxus
Methylphenidate
Desensitization of ampedamines by rapid depletion
Tachyphylaxis
None, [high] in red wine & cheese interaction with MAO inhibitors,
Tyramine
MAOI and Tyramine Crisis Treatment
Treat increased Ht rate and BP with Albha blocker or alpha/beta blocker labetalol
Inhib neruonal uptake 1 on NE
Cocain, TCA(Imipramine, amitriptylline
if take cocane before amphedamine
amphetamine not work bc uptake inhibited
Pheochromocytoma, acute, chronic HT α1, irreversible, S: PHT
Phenoxybenzamine
Pheochromocytoma, acute HT α, competitive, S: PHT, reflex tachycardia
Phentolamine
Hypertension (HT), benign prostrate hypertrophy α1, competitive; no reflex tachycardia S: 1st pass effect, PHT, nausea, drowsiness
Prazosin
Hypertension, angina, arrhythmias, tremor,migraine, hyperthyroidism (propranolol),panic stress β, non-selective, LA-action, no ISA; Useful group, CI:heart failure (unstable CHF, depression, bradycardia or brochospasm), asthma, diabetes, Raynaud D
Propranolol
Hypertension, angina, arrhythmias β, LA-action, ISA, angina commonly
Pindolol
Glaucoma, decrease secretion; (HT) β, no LA-action, no ISA, glaucoma commonly
Timolol
Hypertension, angina, arrhythmias, CHF β1, LA-action, no ISA, arrhythmia commonly
Metoprolol
Hypertension, angina β1, no LA-action, no ISA
Atenolol
Arrhythmias, [angina] β1, no LA-action, no ISA, very short acting
Esmolol
Hypertensive crisis, hypertension, CHF β & α -blocker, some β-agonist action
Labetalol
Hypertensive crisis, hypertension, CHF β & α -blocker
Carvedilol
inhibit neuronal uptake, cross CNS; I: CA's, amph.
Cocaine
Attention deficient hyperactivity (ADHD) inhibit NE neuronal uptake
Atomoxetine
No major use, minor ocular procedures for brief miosis; muscarine found in certain mushrooms M / N, short acting (AchE); T/S: All M-agonists: salivation, lacrimation, urination, diarrhea, emesis, (slude), miosis, cyclopleg, bronchoconstriction, ↓HR
Acetylcholine
Atonic gut, urinary retention M, resistant to AchE
Bethanechol
Acute & chronic glaucoma M, resistant to AchE; alkaloid, increase outflow
Pilocarpine
Glaucoma, if pilocarpine ineffective M / some N, resistant to AchE
Carbachol
Ocular procedures M, resistant to AchE
Methacholine
Diagnostic for myasthenia gravis competitive, short-acting (5-10min)
Edrophonium
Myasthenia gravis, reverse nmj block reversible, no CNS, some direct agonist action
Neostigmine
Myasthenia gravis AchE inhibitors occupy AchE and prevent Ach degradation, T/S: same as for high Ach
Pyridostigmine
Reverse atropine toxicity; glaucoma reversible, CNS action
Physostigmine
Organophosphate, Glaucoma (also cause miosis, cycloplegia)
DFP (Isoflurophate)
Glaucoma (also cause miosis, cycloplegia
Echothiophate
Insecticides (Inactive, converted to active, form in body, parathion more toxic)
Malathion, Parathion
(nerve gases
Vx, sarin, soman
↓GI activity, ↓secretions, relax lung, mydriasis (pupil dilation), cyclopegia (loss of accommodation), competitive M-antagonists, pirenzepine (M1- selective); T: mad as a hatter (unresponsive), red as a beet (erythematous, direct vasodilation), blind as a bat (cycloplegia), dry as a bone (↓secretions), hot as hell (thermoregulation); Reverse toxic effects with AchE inhibitors eg. physostigmine or neostigmine. Horner’s S.: miosis, sagging eyelid. Damage to sympathic innervation, no cocaine response, pre- (Tyr response) or post-ganglionic (no Tyr response)
Cholinoceptor Antagonists
Reverse AChE inhibition; GI-disorders, ocular (iritis), vagolysis
Atropine
Asthma – bronchodilator
Ipratropium
Parkinson's disease, esp. drug induced
Benztropine
Motion sickness, diarrhea, ↓secretions
Scopolamine
GI-disorders ie. mild diarrhea, [peptic ulcer
Propantheline
Ocular examination
Cyclopentolate
inhibit choline uptake (rate limiting step)
Hemicholinium
↓Ach release (prevent vesicle fusion), 3-4 mths
Botulinus toxin
Regenerate AchE need to use before ‘aging’ occurs
Pralidoxime, (2-PAM)
Insecticide, cigarettes N-agonist, (blocker) T: convulsions, vomiting, CV
Nicotine,
↓ BP during surgery, Nn-antagonists, (competitive), not taken orally
Trimethapan
↓ BP during surgery, Nn-antagonists, (competitive), taken orally
Mecamylamine
NMJ paralysis, depolarizing block, short acting due to plasma AchE; fasciculations, Atypical AchE, Malignant H, Hyperkalemia (delayed)
Succinylcholine
NMJ paralysis, competitive blockers, Small/fast nerves first (face, hands), then trunk, respiratory muscles last. Flaccid paralysis. Can reverse block with AchE inhibitors -Nm, some histamine release & ganglia block
Tubocurarine
NMJ paralysis, competitive blockers, Small/fast nerves first (face, hands), then trunk, respiratory muscles last. Flaccid paralysis. Can reverse block with AchE inhibitors -short acting 10-20 min, slight histamine release
Mivacurium
NMJ paralysis, competitive blockers, Small/fast nerves first (face, hands), then trunk, respiratory muscles last. Flaccid paralysis. Can reverse block with AchE inhibitors
Rocuronium,
Prostaglandin, Glaucoma, ↑ outflow. S: brown pupil, red eyes (inflammation)
Latanoprost (PGF2α analogue) (Xalatan
Acute hypersensitivity reaction ie. bee attack, food or drug reaction α- β-agonist, physiologically counters the effects of released histamine (ie. bronchospasm, ↓BP)
Vascular smooth muscle contract, contract radial dialator muscle, contract Piomotor, EPI>NE>>>ISO
α1-
Nerve terminals , inhib neurotrans release, neg feedback, NE>>EPI>>>ISO
α 2-
Cardiac muscle, Increase HR and force, Dilate Coronayr Blood Vesil, Release Renin from kidney, ISO>>NE & EPI
β 1-
Bronchial smooth muscle relax, also relax all tubes (GI, Blood Vesil, Urinary), Has pos feedback on nerve terminal, ISO>EPI>>>NE
β2
fat
β3
Renal smooth muscle (D1-)
dopamine receptor
M1
M2
symp. nerve, placenta
(MAOA)
platelets
(MAOB)
liver, kidney, brain
(MAOA + MAOB)
increases NE level in symp. neuron, potentiates release by tyramine-like drugs
Effect of MAO inhibition on NE levels
Depression Tranylcypromine, Pargyline
MAO Inhibitors: Non-selective
Depression MAO-A Clorgiline, Parkinson’ D MAO-B Selegiline
MAO Inhibitors: Selective
MOPEG then to VMA
MAO or compt metab NE to what found in urine?