Emergency Flashcards
Why does haemodilution occur?
Intracellular shift into organs
What are some types of wounds
Abrasion- frictional type of wound
Haematoma- brusising contained in one area
Contusions- bruise
Burns
Puncture wound- deep. Narrow entry point
Laceration- wound that is longer on the surface than it is deep. Blunt force injury
Incision- surgical wound. Sharp blade.
De gloving
Features of a laceration?
Blunt force
Ragged edge
Full thickness
Bruised edge
Tissue bridge
Features of an incision
Sharp instrument
Straight edges
No tissue bridges
More on skin rather than deep
Features of a puncture wound
Depth more than wide
Stab wound
Puncture impleis blunt wound
Bites
Puncture vs perforation
Perforation has an entry and an exit wound
What is repair?
Putting a scar In the area
What is regeneration?
Wound fixing itself
Favoured over repair
What is primary intention healing? Vs secondary
Primary is bring wound together. More likely to be regelation over repair
Why is a monofilament suture good?
Wider surface area. Better for cosmetic results
Which one of burns is drier?
Deeper the burn the dryer
Rule of 9s
Arms
Head
2 on legs
1 chest
1 abdomen
2 on back
Primary vs secondary brain injury
Primary- Pathology sustained at the time of injury. Can’t reverse
Secondary- Later and potentially treatable
What is cerebral perfusion pressure equation?
CPP=MAP-ICP
What are osmotic diuretics?
Things that you give people intravenously to suck fluid out of brain by osmosis
What is important when doing a GCS?
Is it decreasing or increasing
Motor parts of GCS?
6- Obeys command
5- Localises to supraorbital pain
4- Withdraws from nailbed pain
3- Abnormal flexion to pain
2- Extension to pain
1- No response
Who needs an emergency CT scan within 1 hour
Decreased GCS
Clinical evidence of base of skull fracture or suspicion of open/depressed skull fracture
Focal neurological signs
Seizure
More than 1 episode of vomiting
Who needs a CT scan within 8 hours?
Anticoagulation (Warfarin/DOAC)
Coagulopathy and LOC/amnesia
Age more than 65 and LOC/Amnesia
Dangerois mechanism and LOC/Amnesia
More than 30 minutes retrograde amnesia
What kind of blood is an extradural haemorrhage normally?
Arterial
Signs of base of skull fracture?
Panda eyes
CSF leak from eyes and ears
Battle sign
What is subdural haemorrhage caused by?
Traumatic tear to the bridging veins
Treatment of a subdural haematoma?
Reverse anticoagulation
Observe- Interval CT
If large need neurosurgical intervention
Paediatric GCS
What is a toxidrome?
Collection of symptoms that indicate a certain overdose has been taken
What to do in an opiate overdose?
Bag ventilation or BIPAP
Naloxone
Exmaples of stimulant drugs?
Ampehtamine
Cocaine
Drugs that stimulate sympathetic pathway
A in general manageemnt principles in poisoning
Suction
Turn onto side
Intubation
B in general management principles in poisoning
Hypo or hyperventilation is an issue
Bag mask them, BIPAP and give them oxygen
C in general management principles in posioning
Worry about VF and VT
What is giving in posioning to counteract acidosis?
Bicarbonate
What does activated charcol?
Binds drugs in Gii TRACT
Only works if drugs is still in stomach
In severe posioning what can you do to get rid of the drugs?
Dialysis
What is used in paracetemol overdose?
N-acetylcystine
Why is paracetemol toxic?
Small amount turned into NAPQI which is a toxic substance. Always a small amount goes to NAPQI but in high levels of paracetemol more goes to NAPQI as more drug and causes hepatotoxicity
What to do if over treatment line in paracetemol oD?
Start on treatment
When to do blood levels in paracetemol OD?
4 hours
When to start treatment of paracetemol OD?
8 hours
What to do if present over 8 hours with paracetemol OD?
Take level and start on treatment in the meantime
What to do with a staggered OD?
Give treatment based on total dose and do blood tests
What to look at in LFTs in paracetemol OD?
LFTs and clotting factors
Treatment of serotnin syndrome?
Cooling
Benzodiazopines
Treatment for TCA OD?
Sodium bicarbonate
Treatment of CCB OD?
Calcium gluconate
Atropine (pacing)
Vasopressors and inotropes
Glucagon
What is lipid emulsion rescue therapy used for?
LA toxicity
Benzodiazepine OD in a hospital context manegemnt?
Flumaxil