vomiting ppt (lcps)
TRANSCRIPT
IN THE NAME OF ALLAH WHO IS THE MOST MERCIFULL AND BENIFICIAL
Vomiting: This is the reflex mechanism which cause the forceful expulsion of gastric content through the mouth.
(Anti-peristaltic movement of the G.I.T track )
VOMITINGVOMITINGPATHWAYSPATHWAYS
Ipecac syrup
Vomiting Centre (medulla)
StomachSmall intestine
Higher cortical centres
Chemoreceptor Trigger Zone
(area prostrema, 4th ventricle)
Memory, fear, anticipationSensory input (pain, smell, sight)
Surgery
SurgeryLabyrinths
Anaesthetics
Vomiting Reflex
Neuronal pathways
Factors which can cause nausea & vomiting
Chemotherapy
Chemotherapy
Radiotherapy
Opioids
Sites of action of drugs
5HT3
antagonists
Sphincter modulators
Histamine antagonistsMuscarinic antagonists
Gastroprokinetic agents
BenzodiazepinesHistamine antagonistsMuscarinic antagonistsDopamine antagonists
Cannabinoids
Physiological. emotional sickness, sea
sickness , high altitude
GI tract disorderstoxins, infections,
obstruction, inflammation, motility disorders etc
Non-GI infections liver , pneumonia, other’s.
Pregnancy
Visceral inflammationpancreas, Gall bladder,
peritoneus etc
Other CNS disordersAnxiety, meningitis , raised
intracellular pressure etc.
Alcohol intoxication
MedicationsFood poisoning
Radiation explusion
Thank you!