ANS Flashcards
SANS
Thoracolumbar
Branches of ANS
SANS
PSANS
ENS
PSANS
Craniosacral
Sympa effect on blood vessels of skeletal muscles
Vasodilation (suntok!)
Sympa effect on penis
Ejaculation
Alpha 1 are found where
Pupils, peripheral bv (nasal mucosa, gi, splanchnic, skin), urinary bladder
Alpha 1 is paired with what metabotrope
Gq
Alpha 2 is paired with what G
Gi (presynaptic)
Gq (postsynaptic)
M2 are found where
Heart
M3 are found where
All over the body
Nicotinic ganglionic receptors are found where
CNS
Nicotinic muscular are found where
Skeletal muscles
Beta 1 are found
Heart
Beta 2 are found
Bronchioles
Beta 3 are found
Adipose
Acetylcholine
Direct acting cholinergic agonist, Nonselective choline ester, with shortest duration
Choline ester with shortest DOA
Acetylcholine (easily degraded by acetylcholinesterase)
M selective choline esters
Betanechol
Metacholine
Betanechol
Most m selective choline ester; direct cholinergic agonist
Nonselective choline esters
Acetylcholine
Carbachol
Choline esters not affected by acetylcholinesterases
Betanechol
Metacholine
Carbachol
Acetylcholine, Betanechol, Metacholine, Carbachol
Nicotine, Lobeline, Muscarine, Pilocarpine
are what?
Direct cholinergic agonists
Alkaloid direct cholinergic agonists
Nicotine
Lobeline
Muscarine
Pilocarpine
More n selective direct acting cholinergic agonists
Nicotine
Lobeline
Lobeline comes from?
Lobelia inflata (Indian tobacco)
Most commonly used alkaloid direct cholinergic agonist
Pilocarpine
How do indirect cholinergic agonists work?
Inhibits acetylcholinesterase
Indirect cholinergic agonists
E - edrophonium
C - carbamates
O - organophosphates
Indirect cholinergic agonists with longest DOA
Organophosphates
Used for Dx of Myasthenia gravis
Edrophonium
Used for Myasthenia gravis
Carbamates
Organophosphates
Carbamates
Physostigmine
Pyridostigmine
Neostigmine
Carbaryl
Physostigmine comes from?
Physostigma venenosum (calabar bean)
Irreversible indirect cholinergic agonists
Organophosphates
Indirect cholinergic agonists with electrostatic bonds
Edrophonium
Organophosphates
Echothiopate
Malathion
Parathion
Soman
Only organophosphate used pharmaceutically
Echothiopate
Malathion and parathion are used as what?
Insecticides
Pilocarpine category and use
Direct cholinergic agonist
Glaucoma
Physostigmine
Carbamate, indirect cholinergic agonists
Neostigmine
Carbamates, indirect cholinergic agonist
Carbaryl
Carbamates, indirect cholinergic agonist
Betanechol and Neostigmine are mainly used for?
Ileus
-TROP
Cholinergic antagonists
Prototype cholinergic antagonist
Atropine
Longest acting cholinergic antagonist
Atropine
Highest CNS penetration cholinergic antagonist
Scopolamine (with sedation)
Cyclopentolate
Muscarinic antagonist
Tropicamide
Muscarinic antagonist
Ipratropium
Muscarinic antagonist
Tiotropium
Muscarinic antagonist
Scopolamine is also known as?
Hyoscine
Atropine is also known as?
Hyoscyamine
M3 selective antagonists (spares the heart)
Solifenacin
Darifenacin
Oxybutynin
Solifenacin
M3 antagonist
Darifenacin
M3 antagonist
Oxybutynin
M3 antagonist
Trimetaphan
Ng antagonist for HTN emergency
Mecamylamine
Ng antagonist for nicotine cessation
Ng antagonist for HTN emergency
Trimetaphan
Ng antagonist for nicotine cessation
Mecamylamine
Ng antagonists
Trimetaphan
Mecamylamine
Hexamethonium
Triethylammonium
-CUR
Neuromuscular blockers
Depolarizing neuromuscular blocker
Succinylcholine
Nondepolarizing Nm blockers
-CUR (curare derivatives)
Curare was once used anciently as?
Arrow poison
Nm blocker that has active metabolite that can cross BBB
Atracurium -> Laudanosine
Succinylcholine + Gen. Anesthetic
Malignant Hyperthermia ( Hyperthermia and Paralysis)
Treatment of Malignant Hyperthermia
Dantrolene (skel. muscle relaxant)
Non-selective adrenergic agonists
Epinephrine
Norepinephrine
Isoproterenol
Epinephrine
Non-selective adrenergic agonist
Epinephrine uses
Asystole
Anaphylactic shock
Local anes adjunct (inc. DOA by vasoconstriction)
Isoproterenol main use
Asthma
Isoproterenol
Non-selective adrenergic agonist (more on beta receptors)
Alpha 1 selective agonists
Phenylephrine
Midodrine
Alpha 1 receptors are found where?
Pupils
Peripheral blood vessels (nose, GI, skin, splanchnic)
Urinary bladder
Main use of phenylephrine
Nasal decongestant
Main use of midodrine
Tx of orthostatic hypotension
Alpha 2 selective agonists
Clonidine
Methyldopa
Guanfacine
Guanabenz
Methyldopa
Alpha 2 selective agonist
Clonidine
Alpha 2 selective agonist
Clonidine use
Hypertension emergency (not for mgt.)
Methyldopa use
Tx of pregnancy htn
Drugs for htn of pregnant women
Hydralazine
Methyldopa
ADR of clonidine and methyldopa
Sedation, drowsiness (because they can cross BBB)
Alpha selective agonists
Oxymetazoline
Xylometazoline
Beta 1 selective agonists
Dobutamine
Prenalterol
Beta 1 acts on?
Heart
Only -terol beta 1 agonist
Prenalterol
Dobutamine
Beta 1 agonists
Prenalterol
Only -terol beta 1 agonist
-TEROL
Beta 2 agonists except Prenalterol
Beta 2 acts on?
Bronchioles
Beta 2 agonist indication
Asthma and COPD
SABA
Albuterol (Salbutamol)
Terbutaline
LABA
Formoterol
Salmeterol
ADR of beta 2 agonists
Tremors
Palpitations
Used for cardiogenic shock
Dobutamine
Prenalterol
Adrenergic antagonists causes?
Para response
Alpha nonselective antagonists
Phenoxybenzamine
Phentolamine
Irreversible alpha nonselective antagonist
Phenoxybenzamine
PHEPHEPHE means?
Phenoxybenzamine and Phentolamine are for Pheochromocytoma
What is pheochromocytoma?
Tumor in adrenal gland than increases NE releases = BP fluctuations
Phenoxybenzamine
Alpha nonselective antagonist
Phentolamine
Alpha nonselective antagonist
ADR of alpha blockers
Hypotension, Reflex tachycardia
Alpha 1 blockers
Prazocin
Terazocin
Doxazocin
-AZOCIN
Alpha 1 blockers
Alpha 1 blocker with shortest DOA
Prazocin
Alpha 1 blocker with longest DOA
Doxazocin
Alpha 1 blockers are mainly used for?
Hypertension
Benign prostatic hyperplasia
Mixed alpha and beta blockers
Carvedilol
Labetalol
Beta nonselective blockers
NSTP (except nebivolol)
Most beta 1 selective blocker
Nebivolol
Beta 1 blockers
BEAM
Beta blocker with shortest DOA
Esmolol
Beta blocker with longest DOA
Nadolol
Give me an ACE PINpoint PEN, I’ll do CARTwheels for you. This refers to?
Beta blockers with intrinsic sympa effect, thus less bradycardia
ADR of beta blockers
Bradycardia
Beta nonselective blockers are Cx in?
Asthmatic px
Px with Depression (some can cross BBB)
Beta blockers uses
Arrhythmia (class 2) HTN Cardiac failure Glaucoma Hyperthyroidism adjunct Stage freight
Beta blockers are antiarrhymthmics belonging to what class?
Class II
Indirect adrenergic antagonists
Reserpine
Guanethedine
What indirect antagonist replaces NE in exocytosis?
Guanethidine
Pharmacological sympathectomy agent
Guanethedine
Reserpine comes from?
Rauwolfia serpentina
Amino acid involved in synthesis of NE
Tyrosine