PART 2: PARASYMPATHETIC DIVISION Flashcards
Parasympathetic/Cholinergic Drugs
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
Bethanechol
Pyridostigmine
Anti-Cholinergic Drugs
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine- – SOFT Bladder
Pyridostigmine
Atropine
Oxybutynin, Solifenacin, Tolterodine- – SOFT Bladder
Parasympathetic/Cholinergic Drugs- Direct Acting:
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
Bethanechol
Parasympathetic/Cholinergic Drugs- Indirect Acting:
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
Pyridostigmine
“Rest and Digest” system
Para or Sympathic
Para
keeping energy use low in the body
Para or Sympathic
Para
D activities – digestion, defecation, and
diuresis
Para or Sympathic
Para
Blood pressure, heart rate, and respiratory rates are low
Para or Sympathic
Para
Gastrointestinal tract activity is high
Para or Sympathic
Para
The skin is warm and the pupils are constricted (miosis)
Para or Sympathic
Para
Produce effects that mimic Acetylcholine (ACh)
Direct Acting Agents or Indirect Acting Agents
Direct Acting Agents
Are typically agonists at Muscarinic receptors
Direct Acting Agents or Indirect Acting Agents
Direct Acting Agents
inhibit acetylcholinesterase, an enzyme that breaks
down acetylcholine
Direct Acting Agents or Indirect Acting Agents
Indirect Acting Agents
– Nicotinic
– Muscarinic
Parasympathetic Division Receptors
Sympathetic Division Receptors
Parasympathetic Division Receptors
Drugs for anesthesia/paralyzing agents
Nicotinic
Muscarinic
Muscarinic
• Important for ED, ICU, OR, Anesthesia
Nicotinic
Muscarinic
Muscarinic
• We will treat as a separate group
Nicotinic
Muscarinic
Muscarinic
USED TO TREAT
Urinary retention
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
Bethanechol
Most ? drugs target: – GI Tract – Eyes – Bladder – Heart (smaller percentage)
cholinergic or adrenaline drugs
cholinergic
MECHANISM OF ACTION:
• Directly stimulate the parasympathetic division (muscarinic)
receptors) mainly located in the BLADDER
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
Bethanechol
Match LOCK: ? AGONISTS-? KEY: ? DRUG: ?
BethaneCHOL
Stimulate a response
Muscarinic Receptor
Natural-AcetylCHOLINE
LOCK: Muscarinic Receptor
AGONISTS-stimulate a response
KEY: Natural-AcetylCHOLINE
DRUG: BethaneCHOL
Do BOTH DRUG AND KEY WILL BIND TO SAME RECEPTOR (MUSCARINIC) focused on the BLADDER
T or F
T
ADVERSE EFFECTS
Increased salivation, gastric acid secretion, abdominal
cramps and diarrhea
– Exacerbation of asthma
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
BethaneCHOL
ADVERSE EFFECTS
EXTREMELY RARE: hypotension and/or bradycardia
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
BethaneCHOL
Increased BP/HR
Sympathetic or PARAsympathetic
Sympathetic
Decreased BP or HR
Sympathetic or PARAsympathetic
PARAsympathetic
SLUDGE and the Killer B's • Salivation/Secretions • Lacrimation (tear production) • Urination • Defecation/Diarrhea • GI cramping (abdominal) • Emesis (vomiting) • Bradycardia, Bronchospasm, Bronchorrhea
cholinergic or adrenaline drugs
cholinergic Drugs
DUMBELS • Diarrhea • Urination • Miosis (pupil constriction) • Bradycardia/Bronchospasm/Bronchorrhea • Emesis • Lacrimation • Salivation
cholinergic or adrenaline drugs
cholinergic Drugs
S L U D G E B*3-
- Diarrhea
- Salivation/Secretions
- Lacrimation (tear production)
- Urination
- Miosis (pupil constriction)
- Defecation/Diarrhea
- GI cramping (abdominal)
- Emesis (vomiting)
- Bradycardia, Bronchospasm, Bronchorrhea
SLUDGE and the Killer B's • Salivation/Secretions • Lacrimation (tear production) • Urination • Defecation/Diarrhea • GI cramping (abdominal) • Emesis (vomiting) • Bradycardia, Bronchospasm, Bronchorrhea
D U M B E L S
- Diarrhea
- Salivation/Secretions
- Lacrimation (tear production)
- Urination
- Miosis (pupil constriction)
- Defecation/Diarrhea
- GI cramping (abdominal)
- Emesis (vomiting)
- Bradycardia, Bronchospasm, Bronchorrhea
DUMBELS • Diarrhea • Urination • Miosis (pupil constriction) • Bradycardia/Bronchospasm/Bronchorrhea • Emesis • Lacrimation • Salivation
Antidote= Atropine
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
BethaneCHOL
Pyridostigmine
SLUDGE and the Killer B’s or DUMBELS =>CHOLINERGIC CRISIS
Atropine
Bethanechol
Oxybutynin, Solifenacin, Tolterodine
Pyridostigmine
BethaneCHOL
Pyridostigmine