5 GA for children Flashcards
how does inhaled GA work?
enter lungs, distributed to tissues by circulation, reach specific sites in CNS by crossing blood brain barrier, magnitude proportional to partial pressure
how does iv GA work?
given straight into circulation, distributed through body and reach specific sites in CNS by crossing blood brain barrier
give examples of inhaled agents
nitrous oxide, sevoflurane, halothane, isoflurane, desflurane
give examples of iv agents
propofol
what are the types of airway?
laryngeal mask airway
nasal endotracheal intubation
oral endotracheal intubation
what is a throat pack?
guaze to pack around tube back of mouth to catch saliva, blood, water etc. entering airway
what are the stages of anaesthesia?
- induction
- excitement
- surgical anaesthesia
- respiratory paralysis/overdose
what are the indications for GA?
too young
too anxious
too uncooperative to recieve tx any other way
dentist need px to be completely still as operation is complex
what are the major risks of GA?
serious outcome/major adverse event 3 in a million
death
brain damage
not wake up
what are the minor risks of GA?
pain malignant hyperpyrexia laryngospasm prolonged aprnoea paralysed but not asleep headache nausea/vomiting sore throat sore nose/nose bleed drowsiness upset anxiety about future dental tx risks from tx
who surgical safety checklist
brief before debrief after for every px: sign in time out sign out
discharge criteria
fully conscious- able to maintain airway, reflexes satisfactory oxygenation and respiration cvs stable pain, nausea, vomiting controlled temp normal eaten, drank, been to toilet
post-op instructions
pain control travel home rest - no school next day monitoring what to look out for- eg bleeding extraction advice soft diet prevention follow up discharge letter
how is consent achieved
active
primary only refer
explanation of risks & benefits of GA and alternatives
1st app only consult
what should a referral letter state?
px name px address px contact number medical history GP details parental responsibility justification for GA proposed tx plan previous tx details recent radiographs