4th Year Pain and Operative Care Flashcards
why does post-op pain need managed?
can lead to hypertension and tachycardia leading to increased myocardial demand
risks progressive to chronic pain
four point score for pain
0= none 3= continuous pain at rest and severe on movement
why is sedation charted?
watch for respiratory depression
cautions in NSAIDs
asthma
renal failure (especially in elderly + hepatic function impaired)
bleeding (platelets + GI)
GI bleeding
what are SE of opioids
constipation
N&V
respiratory depression
pruritis
management of opioid SE
naloxone (maintains RR)
chlorpheniramine
what is used in catheters for pain control?
peripheral nerve blockade
what to always co-prescribe with opioids?
laxatives
management of burning/tingling pain?
tricyclics e.g. amitriptyline
management of shooting pain?
anti-convulsants e.g. gabapentin, sodium valproate and carbamazepine
chronic pain methods
drugs
stimulation analgesia (TENS and acupuncture)
nerve blocks
neuro-surgical techniques
what to check before anaesthetic can be given?
cardiac and respiratory function
check patient stairs/ exercise tolerance
drugs that can be given prior to anaesthetic/ surgery
- relive anxiety and pain
- intercurrent diseases (some must be stopped)
- infection and VTE prophylaxis
complications of anaesthetic
bradycardia (vagal overactivity) aspiration pneumonia (Mendelson's syndrome)
drugs that should be stopped prior to surgery?
warfarin
MAOI
OCP
what drugs need manipulation prior to surgery?
hypoglycaemics
steroids
what is the role of anaesthetic?
depress consciousness
block pain
relax skeletal muscle
what is the triad of analgesia (balanced)?
sleep
analgesia
relaxation
delivery of anaesthetic
IV
inhalation
what is the most immediate effect of anaesthetic?
loss of the airway
what should post-op assessment involve?
cardiovascular (hypotension, haemorrhage) respiratory (anaesthetic, cough) GI (PONV, ileus) CNS urinary (oligouria)
classification of post-op bleeding
primary
secondary (2nd day post-op
cause of primary post-op bleeding
bleeding diathesis
drugs
what is secondary post-op bleeding usually caused by?
infection