ANS Flashcards
Biosynthesis of cathecolamines
Location:
Sympathetic post ganglion
Adrenal medulla
CNS
Enzyme required to convert tyrosine to L-DOPA
Tyrosine hydroxylase
Enzyme needed to covert L-DOPA to Dopamine
L-DOPA decarboxylase
Enzyme needed to convert dopamine to NE
Dopamine-B-hydroxylase
Enzyme needed to convert NE to epinephrine
Phenylethanolamine-N-methytransferase
Responsible for the metabolism of catecholamines
MAOs and COMTs
Responsible for the metabolism of Acetylcholine
Acetylcholinestrases
Inhibits Formation of L-DOPA
Methyrosine
Dopamine storage inhibitor
Reserpine
Releasers of catecholamines
Tyramine Amphetamine Ephedrine ANGF a-latro toxin
Inhibits Release of catecholamines
Guanethedine
Guanedrel
Bretylium
Reuptake inhibitors of catecholamines
TCAs
Cocaine
Robexetine
B1 > A1
Choices:
A. Epi
B. NE
C. Dopamine
B. NE
B1 = B2»_space; A1
Choices:
A. Epi
B. NE
C. Dopamine
A. Epi
D1 > B1 > A1
Choices:
A. Epi
B. NE
C. Dopamine
C. Dopa
Metabolism of Epi and NE’s product
Vanillylmandelic acid or 3-methoxy-4-OH-madelic acid
Metabolism of Dopamine’s product
Homovanillic acid
1st line tx for anaphylactic shock
Epinephrine
1st line tx for septic shock
NE
aka adrenaline
Epinephrine
Aka levarterenol
Norepinephrine/ Noradrenaline
Mgt of septic and cardiogenic shock
Mgt of AHF
Diuresis
Dopamine
Adverse effect during a1 overstimulation
Digital necrosis
Adverse effect during B1 overstimulation
Ventricular tachyarrhythmia
aka isoprenaline
Isoproterenol
1st line tx for cardiogenic shock
Dobutamine
2 examples of SABA or short acting B agonist
Albuterol and Terbutaline
aka albuterol
Salbutamol
2 examples of Tocolytic B1 agonists
Ritodrine and isoxsuprine
Mgt of symptomatic bradycardia
Terbutaline
Selective a1 agonists
P P M T O N
Phenylephrine Propyhexedrine Methoxamine Tetrahydrozoline Oxymetazoline Naphazoline
Selective a2 agonists
C
M
G
G
Clonidine
Methyldopa
Guanabenz
Guanfacine
Only 4 safe antihypertensive drugs for pregant
Mommy Nife hates labor (MNHL)
Methyldopa
Nifedipine
Hydralazine
Labetalol
Active metabolite of Methyldopa
a-methyl norepinephrine
Selective D1 agonist used in the mgt of HTN crisis
Fenoldopam
Centrally acting sympa drugs
P P P A M
Phentermine Phenmeyrazine PPA- phenylpropanolamine Amphetamine Methylphenidate
1st line tx in mgt of ADHD
Methylphenidate
Centrally acting sympa drugs used in the mgt of anorexia
PPP
Phentermine
Phenmetrazine
PPA- Phenylpropanolamine
Centrally acting sympa drugs used in the mgt of narcolepsy
AP
Amphetamine and phentermine
Non selective a antagonist
Phenoxybenzamine
Phentolamine
a2 atagonists
RY
Rauwolscine
Yohimbine
Non selective Beta blockers
“NSTP”
Nadolol
Sotalol
Timolol
Propanolol
B1 blockers aka cardioselective beta blockers
CBBEAAM “c-beam”
Celiprolol Bisoprolol Betaxolol Esmolol Acebutolol Atenolol Metoprolol
Beta blockers w/ ISA (intrinsic sympathomimetic activity)
Celi-CAPP-Lab
Celiprolol Carteolol Acebutalol Pindolol Penbutol Labetalol
Beta blockers with membrane stabilizing effect aka local anesthetic effect
Prop(esor) Met Pin (nag) Ace sa Lab
Propanolol Metoprolol Pindolol Acebutalol Labetalol
B blockers with a1 blocking effect
i Lab Carbs
Labetalol
Carvedilol
Most Cardioselective b blocker
Nebivolol
Biosynthesis of Ach
Location
All pre-ganglionic
Cholinergic, post ganglion
CNS
Somatic nerve
Enzyme needed to produce Ach from choline and acetyl coa
Choline acetyltransferase
Inhibitor of Active uptake of choline
Hemicholinium
Inhibits storage of Ach
Vesamicol
Releaser of Ach
a-latro toxin
Release inhibitor of ach
Botulinum toxin
Location of Nm receptor
Neuromuscular end plates
Location of Nn
Ganglion
M selective choline ester (direct acting parasympa drug)
Betanechol
Non selective choline ester (direct acting parasympa drug)
A
M
C
Ach
Metacholine
Carbachol
Non selective alkaloid (direct acting parasympa drug)
Arecoline
N selective alkaloid (direct acting parasympa drug)
Nicotine
Varenicline
Lobeline
M selective alkaloid (direct acting parasympa drug)
Muscarine and Pilocarpine
Aka eserine
Physostigmine
Aka ambenonium
Pyridostigmine
Used in dx of myasthenia gravis
Edrophonium
Used in tx of myasthenia gravis
Pyridostigmine
Tx for atropine poisoning
Pilocarpine
Tx for sjorogen’s syndrome
Pilocarpine
Tx for organophosphate poisoning
Pralidoxime or Diacetylmonoxime (DAM)
-aka Enzyme regenerators
Tx for AE of parasympa drugs
Atropine or enzyme regenerators like DAM and pralidoxime
M1 blockers
Pirenzipine
Telenzepine
M3 blockers
G
H
C
D
Glycopyrrolate
Hyoscine N butyl Bromide
Clidinium
Dicycloverine/Dicyclomine
Ganglionic/ Nn blockers
Hexamethonium
Mecamylamine
Trimethaphan
Depolarizing Non competetive Neuromuscular/ Nm blocker
Succinylcholine
Non Depolarizing - competetive Neuromuscular/ Nm blocker (ISOQUINOLONES)
Atracurium
Mivacurium
Cisatracurium
Tubocurarine
Non Depolarizing - competetive Neuromuscular/ Nm blocker (STEROIDS)
Rocuronium
Pancuronium
Vecuronium