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46 Cards in this Set
- Front
- Back
Bethanechol
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Cholinomimetic
activates bowel and bladder post-op and neurogenic ileus urinary retention BETH, call me to pee and poo |
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Carbachol
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Cholinomimetic
inc outflow through trabecular meshwork glaucoma |
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Pilocarpine
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Cholinomimetic
potent stimulator of sweat, tears, saliva PILE on the sweat and tears |
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Methacholine
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Cholinomimetic
stimulates M3 receptors in airway challenge test diagnosis for asthma |
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Neostigmine
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Cholinomimetic- Anticholinesterase
Post-op & Neurogenic Ileus, Myasthenia Gravis NO CNS penetration |
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Pyridostigmine
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Cholinomimetic- Anticholinesterase
Myasthenia Gravis (long acting) |
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Edrophonium
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Cholinomimetic- Anticholinesterase
diagnosis of Myasthenia Gravis (short acting) |
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Physostigmine
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Cholinomimetic- Anticholinesterase
Glaucoma (CNS penetration), atropine overdose PHYS is for the EYES |
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Echothiophate
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Cholinomimetic- Anticholinesterase
Glaucoma |
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Muscurinic Toxicity
(ex. Anticholinesterase Poisoning) |
DUMBBELSS
diarrhea, urination, miosis, bronchospasm, bradycardia, excitation of skeletal muscle and CNS, lacrimation, sweating, salivation |
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Antidote of Anticholinesterase Poisoning
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Atropine (M antagonist) + pralidoxine (regenerates cholinesterase)
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Benztropine
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Muscarinic antagonist
PARKinson's disease= PARK my BENZ |
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Scopolamine
|
Muscarinic antagonist
motion sickness |
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Ipratropium
|
Muscarinic antagonist
asthma, COPD |
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Oxybutynin
|
Muscarinic antagonist
reduces urgency in mild cystitis and reduce bladder spasms |
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Atropine
|
Muscarinic antagonist
blocks DUMBBELSS but NO effect on skeletal muscle excitation b/c those have nicotinic recepotors; increase heart rate SE: Hot as a hare, Dry as a bone, Red as a beet, Blind as a bat, Mad as a hatter |
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Antimuscarinic Toxicity
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Hot as a hare: ↑body temp
Dry as a bone: dry mouth, dry skin Red as a beet: flushed skin Blind as a bat: cycloplegia, blurry vision Mad as a hatter: disorientation Palpatations, Urinary retention, Constipation |
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Hexamethonium
|
Nicotinic antagonist
prevents vagal reflex responses like reflex bradycardia caused by norepi put a HEX on smokers (nicotine) |
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Epinephrine
|
Direct Sympathomimetic
α1, α2, β1, β2 Blow = selective β1 at low doses |
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Norepinephrine
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Direct Sympathomimetic
α1= α2 > β1 Hypotensive shock (↓renal perfusion) |
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Isoproterenol
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Direct Sympathomimetic
β1= β2 (ISOlated to β) AV block |
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Dopamine
|
Direct Sympathomimetic
D1= D2> β> α, inotropic, chronotropic Shock (↑renal perfusion), heart failure |
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Dobutamine
|
Direct Sympathomimetic
β1> β2, inotropic not chronotropic Cardiac stress testing, shock, heart failure |
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Phenylephrine
|
Direct Sympathomimetic
α1> α2 Nasal decongestion, pupillary dilation, vasoconstriction |
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Metaproterenol
Albuterol |
Direct Sympathomimetic
selective β2 agonists (β2> β1) Acute asthma |
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Salmeterol
|
Direct Sympathomimetic
selective β2 agonists (β2> β1) Long-term asthma treatment |
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Terbutaline
Ritodrine |
Direct Sympathomimetic
β2 agonists Reduce premature uterine contractions |
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Amphetamine
|
Indirect sympathomimetic
releases stored catecholamines Narcolepsy, Obesity, ADD |
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Ephedrine
|
Indirect sympathomimetic
releases stored catecholamines Nasal decongestion, Urinary incontinence |
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Cocaine
|
Indirect sympathomimetic
block Na+ channels norepi/5HT/dopamine reuptake inhibitor Vasoconstriction, Local anesthesia SE: myocardial infarction |
|
Clonidine
α-methyldopa |
Sympathoplegic
central acting α2 agonist (α2 receptors on postsynamptic neuron inhibit norepi/epi release) Hypertension (no change in renal perfusion) |
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Phenoxybenzamine
|
Irreversible α antagonist (nonselective)
Pheochromocytoma- use before removing tumor Tox: orthostatic hypotenstion, reflex tachy |
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Phentolamine
|
Reversible α antagonist (nonselective)
Pheochromocytoma Tox: orthostatic hypotenstion, reflex tachy |
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(-zosin)
Prazosin Terazosin Doxazosin |
α1 selective antagonist
Hypertension, BPH urinary retention Tox: 1st dose orthostatic hypotension, dizziness, headache |
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Mirtazapine
|
α2 blocker
Depression Tox: sedation, hypercholesterolemia, hunger |
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Propranolol
Timolol Nadolol Pindolol Labetolol |
Nonselective β-blockers
Hypertension, Angina pectoris, MI, SVT (propranolol), CHF, Glaucoma (timolol) Pindolol- partial agonist |
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Acebutolol
Betaxol Esmolol Atenolol Metoprolol |
Selective β1-blockers
Hypertension, Angina pectoris, MI, SVT (esmolol-short acting), CHF Acebutolol- partial agonist |
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Carvedilol
Labetalol |
Nonselectvie α & β-antagonists
|
|
Diphenyhydramine
Dimenhydrinate Chlorpheniramine |
1st gen H1 blocker: also have antimuscarinic, antiadrenergic, & anti serotoninergic effects
Allergy, motion sickness, sleep aid |
|
Loratadine
Fexofenadine Desloratadine Cetirizine |
2nd gen H1 blocker
Allergy Far less sedating b/c of ↓entry into CNS |
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Hemicholinium
|
Indirect Ach antagonist
Blocks reuptake of choline at the presynapse= ↓Ach synthesis |
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Vasamicol
|
Indirect Ach antagonist
Blocks transport of Ach into vesicles |
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Botulinum
|
Indirect Ach antagonist
Blocks exocytotic release of Ach into synapse |
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Metyrosine
|
↓Norepinephrine release into synapse
Blocks conversion of tyrosine to DOPA |
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Reserpine
|
↓Norepinephrine release into synapse
Blocks transport of dopamine/NE into vesicles |
|
Guanethidine
|
↓Norepinephrine release into synapse
Blocks exocytotic release of NE into synapse |