Acute Care Flashcards
head position if doing suction/if there is vomit/blood
lateral
intubation if GCS is what
< 8
how do you measure the size of an oropharyngeal airway
incisor teeth to angle of mandible
should you always give oxygen in ABCDE
all critically ill patients should receive oxygen
what are the oxygen sats for people with COPD
if acutely unwell 15L non-rebreather mask, can titrate later on to achieve 88-92 via 2-4L venturi
B) action: anaphylaxis
adrenaline
B) action: short of breath
sit them up
oxygen
B) action: opiate overdose
naloxone
B) action: tension pneumothorax
needle decompression in 2ICS MCL followed by chest drain in 5ICS MAL
C) action: fluid challenge
500ml bolus 0.9% saline STAT
C) action: fluid challenge in HF
250ml initially
what do you do if someone responds fully to fluid challenge
continue with maintenance fluids
what do you do if someone responds to fluid challenge but BP falls again
give more fluids / another fluid challenge
what does it mean if someone doesnt respond to a fluid challenge
they are either volume overloaded or volume deplete
action: patient is hypotensive and fluid overloaded
inotropes
action: patient is hypotensive despite fluid resuscitation
vasopressors
action: circulatory shock venous access
2 wide bore IV cannula - take bloods including group and save/cross match plus fluid challenge of 1000ml crystalloid STAT
major haemorrhage and cardiac arrest number
2222
action: ACS
12 lead ECG and immediate drug treatment
what is assessed in disability
AVPU GCS blood glucose pupils pain temperature
action: hypoglycaemia
100ml 10% dextrose
GCS: eye opening score 1-4
Opens spontaneously.
Opens to command.
Opens to pain.
No response.
GCS: verbal response score 1-5
Orientated and talking. Confused and disoriented Inappropriate words Incomprehensible sounds No verbal response
motor response 1-6
Obeys commands. Localizes to pain. Flexion & withdrawal to pain. Abnormal flexion to pain. Extension to pain. No response.
how is pain administered in GCS
supra orbital notch
what is abnormal flexion in GCS
decorticate posturing (core- hands at chest)
what is the BP and HR in cushings triad
hypertension
bradycardia
skull base fracture signs: anterior fossa
panda eyes - bilateral periorbital bruising
skull base fracture signs: middle fossa
battle sign - mastoid bruising behind ear
how else might a skull base fracture of middle fossa present
SNHL
facial nerve palsy
(temporal bone)
sudden onset
worst headache ever
sub arachnoid haemorrhage
where is the pain of a SAH usually focused
occiput
1st line IX of SAH
CT brain
2nd line IX of SAH
lumbar puncture
what is a positive LP result of a SAH
xanthochromic CSF (turns yellow)
when should a LP be performed post SAH
at least 12 hours post-presentation
what investigation can help find cause of SAH
CT intracranial angiogram
treatment SAH
IV saline
nimodipine
neurosurgery/IVRs - endovascular coiling, aneurysm clipping
how long do poeple with SAH get nimodipine
21 days
4 complications of SAH
re-bleed
delayed ischaemic neurological deficits (3-12 days later)
hydrocephalus
hyponatraemia
what is seen on CT of SAH
acute blood (bright) in the basal cisterns, sulci and ventricles
relatively minor trauma fluctuating consciousness dull headache confusion/sleepy FND
subdural haemorrhage
2 RFs for SDH
alcoholism
age
CT scan for SDH
- acute
- chronic
crescent shaped haematoma
acute - bright
chronic - dark
what can be given as epilepsy prophylaxis after SDH
7 days phenytoin
tx SDH if expanding mass with FND
burr hole craniotomy
head injury followed by a lucid period then loss of consciousness again
increasingly severe headache associated with sudden decline in level of consciousness
EDH
will a recent head injury be apparant in EDH
yes
what artery is likely damaged in an extradural haemorrhage
middle meningeal artery
what would a fixed dilated pupil in EDH imply
brain herniation
CT scan of EDH
lens shaped (biconvex) haematoma
is EDH restricted by the suture lines
yes
is a SDH restricted by the suture lines
no
when is a CT indicated in terms of GCS
GCS < 13 on initial assessment or < 15 at 2 hours later
dx treatment of raised ICP
mannitol
tear drop sign on facial xray
blow out fracture
how many back blows and abdominal thrusts in choking person
5 back blows then 5 abdominal thrusts
continue cycle if unsuccessful
what 3 drugs are given in anaphylaxis
adrenaline
hydrocortisone
chlorphenamine
dose: adrenaline in anaphylaxis in adult or child over 12
500mcg
dose: adrenaline anaphylaxis child 6-12
300 mcg
dose: adrenaline anaphylaxis child < 6
150 mcg
adult anaphylaxis protocol
adrenaline 0.5mg IM
hydrocortisone 200mg slow IV, chlorphenamine 10mg slow IV
how much can adrenaline be repeated
every 5 mins up to 3 times
use a different site each time
what do you do if colloid fluids are running in anaphylaxis
stop - may be cause of reaction
fluids in anaphylaxis
2 large bore IV cannula IV 500ml crystalloid over 15mins or 1L STAT if hypotensive
how long do you observe post adrenaline in anaphylaxis
6 hours
how long should prednisolone be continued after anaphylaxis
3-5 days 30-40mg PO
should chlorphenamine be continued in anaphylaxis
4mg/6hr if itching
what specific blood should be taken in anaphylaxis
serum tryptase
tx bradycardia
500mcg atropine IV
how many times can atropine be repeated
up to 6 times (3mg in total)
unstable tachycardia
DC cardioversion up to 3 times
2nd line unstable tachycardia
amiodarone 300mg IV over 10-20 mins
followed by 900mg over 24 hours
tx stable broad complex tachycardia
loading dose amiodarone followed by 24 hour infusion
2nd line stable broad complex tachycardia
lidocaine
polymorphic VT (TdP)
IV Mag Sulf
tx stable narrow complex tachy 1st line
vagal manoeuvres
2nd line tx stable narrow complex tachy
IV adenosine
2nd line tx stable narrow complex tachy
asthmatics
IV verapamil
tx acute AF if haemodynamically unstable
emergency cardioversion (rhythm control) DCCV
1st line chemical cardioversion in AF if structural heart disease
amiodarone
1st line chemical cardioversion in AF if no structural heart disease
flecainide
tx stable AF if onset is < 48 hours
rate or rhythm control
tx stable AF if onset is > 48 hours
rate control
1st line rate control in AF
BB or CCB (diltiazem)
2nd line rate control in AF
digoxin (e.g. if heart failure)
dose IV adenosine in 2nd line stable narrow complex tachycardia
6mg IV bolus
4 H causes of cardiac arrest
hypoxia
hypovolaemia
hypothermia
hypo-metabolic/hyperkalaemia
4T causes of cardiac arrest
toxin
thrombosis
tamponade
tension pneumothorax
should you call resus team before starting CPR
yes
compressions
- number
- depth
- rate
- per breaths
30
5-6 cm
100-120
30:2
shockable rhythms
VF
pulseless VT
what can be done if no defib
precordial thump
what do you do if someone has a cardiac arrest while on a monitor that was showing VF or pulseless VT
3 shocks before CPR
what 2 drugs are used in cardiac arrest
adrenaline
amiodarone
what is the dosage of adrenaline in cardiac arrest
1mg
when should adrenaline be given in cardiac arrest for non-shockable rhythms
ASAP
when should adrenaline be given in cardiac arrest for shockable rhythms
1mg after 3 shocks
repeat 1mg every 3-5 mins
when should amiodarone be given in cardiac arrest for shockable rhythms
300mg after 3 shocks
150mg after 5 shocks
how are drugs delivered in cardiac arrest
1st line IV
2nd line IO
what drug can be given in cardiac arrest if PE suspected
alteplase
airway position in cardiac arrest in children under 1
head in neutral position
how is paediatric ALS started
5 rescue breaths then 15 compressions
compression depth in < 1 year old
2 fingers
compression depth in infant
4cm
rescue breaths : compressions in a paediatric cycle
15 compressions:2 breaths
what kind of shock:
o Chest pain, palpitations.
o Cold, clammy peripheries.
cardiogenic
what kind of shock:
o Cold, clammy peripheries.
o Distended neck veins.
o Raised JVP.
obstructive
what kind of shock: o Cool, cold peripheries. o Dry mucous membranes. o Thready pulse. o Low JVP.
hypovolaemic
what kind of shock:
o Fever.
o Warm flushed peripheries with increased capillary refill.
o Bounding pulse.
distributive
what kind of shock:
PE, tension pneumothorax, cardiac tamponade
obstructive
what kind of shock:
sepsis
anaphylaxis
neurogenic
distributive
septic shock treatment
BUFALO
+ vasopressors
when is the earliest serum paracetamol levels can be checked in overdose
4 hours post consumption
s/s paracetamol overdose
LFT - coagulation problems - raised TT or INR N+V abdominal pain hypoglycaemia jaundice encephalopathy
tx paracetamol overdose
acetylcysteine (parvolex)
tx paracetamol overdose if presenting within 1 hour
acivated charcoal, wait 4 hours, send paracetamol level
how quickly is acetylcysteine infused
1 hour
how is it decided when acetylcysteine given in paracetamol dose
deciding using treatment line (amount ingested and time since) - if on or above line
if staggered overdose
if doubt over ingestion time
opioid overdose symptoms
Pin point pupils.
Respiratory depression
Reduced LOC - drowsiness, coma.
jerky movements
tx opioid overdose
naloxone 400mcg bolus (800mcg if IM)
tx benzo overdose
flumenazil
benzo overdose s/s
ataxia
dysarthria
reduced consciousness
tx aspirin overdose
supportive care + fluids + bicarbonate influsion
s/s aspirin overdose
Tinnitus. Vomiting. Dehydration. Hyperventilation to combat metabolic acidosis Hypokalaemia Raised anion gap
tx BB overdose
glucagon
tx carbon monoxide poisoning
oxygen
anaesthetics: when to stop: ACEI
day before surgery
anaesthetics: when to stop: warfarin
5 days before surgery
anaesthetics: when to stop: LMWH
24 hours before surgery
anaesthetics: when to stop: antiplatelet
7 days before surgery
how are high risk patients bridged before surgery when asked to stop warfarin for 5 days
heparin
example of high risk patients that would be bridged with heparin before surgery
AF
VTE within 3 months
mechanical heart valve / multiple valve replacements
what is given if INR is > 1.5 on day of surgery
vitamin K
how is warfarin restarted after surgery
if no major bleeding restart on day of procedure and cover with heparin and check INR in 48 hours
induction agent example - 2
propofol, thiopental
muscle relaxant used in anaesthetics
Rocuronium, Vecuronium, Suxamethonium
reversal of muscle relaxant used in anaesthetics
neostigmine
drug used to make patient drowsy in anaesthetics prior to procedure
midazolam
opiate used in surgery by anaesthetics
fentanyl
tx bradycardia in GA
atropine IV 500mcg
tx hypotension in GA
ephedrine
metaraminol
tx malignant hypertension in GA
IV dantrolene and active cooling
3 body parts adrenline cant be used with lidocaine
fingers
nose
ears
calculation of anion gap
Cl + HCO3
(+ minus the -)
normal anion gap metabolic acidosis
- Gastrointestinal bicarbonate loss: diarrhoea, ureterosigmoidostomy, fistula
- Renal tubular acidosis
- Drugs: e.g. acetazolamide
- Ammonium chloride injection
- Addison’s disease
raised anion gap metabolic acidosis
- Lactate: shock, hypoxia
- Ketones: diabetic ketoacidosis, alcohol
- Urate: renal failure
- Acid poisoning: salicylates, methanol
metabolic alkalosis
- Vomiting / aspiration (e.g. Peptic ulcer leading to pyloric stenosis, nasogastric suction)
- Diuretics
- Liquorice, carbenoxolone
- Hypokalaemia
- Primary hyperaldosteronism
- Cushing’s syndrome
- Bartter’s syndrome
- Congenital adrenal hyperplasia
resp acidosis
- COPD
- Decompensation in other respiratory conditions e.g. Life-threatening asthma / pulmonary oedema
- Sedative drugs: benzodiazepines, opiate overdose
resp alkalosis
- Psychogenic: anxiety leading to hyperventilation
- Hypoxia causing a subsequent hyperventilation: pulmonary embolism, high altitude
- Early salicylate poisoning*
- CNS stimulation: stroke, subarachnoid haemorrhage, encephalitis
- Pregnancy
tx status epilepticus
IV lorazepam (can repeat once after 10-20 mins)
primary care
- buccal midazolam
- rectal diazepam
tx seizure if benzo fails twice
phenytoin, phenobarbital, levtiracetem or sodium valproate
GA
tx hypoglycaemia orientated and able to swallow
- what to give
- when to recheck BM
- can you repeat
- what to do if BM still low
4-5 glucose tablets
check BM after 10-15 minutes
repeat up to 3 times
if BM still < 4 call for help
tx hypoglycaemia confused/disoriented or aggressive
glucogel
recheck BM after 10-15 min
repeat up to 3 times
if ineffective IM glucagon 1mg
tx hypoglycaemia unconscious/fitting
IV glucose over 10 mins
- 75ml 20% glucose (or 150ml of 10% glucose)
recheck after 10 minutes
once BM > 4 give 10% glucose infusion at 100ml / hour and restart insulin
Tx DKA
IV insulin (0.1 unit/kg/hour)
once glucose is < 15mmol/L start 5% dextrose
LMWH
monitor potassium
tx HONK
insulin sliding scale
treatment hyperkalaemia rhyme
Conor Gets - calcium gluconate A Really - act rapid Good - glucose Score - salbutamol Conor Really - calcium resonium Likes Doing - loop diuretic Drugs - dialysis
treatment hyperkalaemia - calcium gluconate
10ml calcium gluconate 10% IV
treatment hyperkalaemia - insulin and glucose
10 units ActRapid and 50ml 50% glucose IV
treatment hyperkalaemia - salbutamol
2.5mg nebulised
reversal of warfarin
vitamin K and prothrombin complex concentrate
addisonian crisis
IV hydrocortison 100mg stat
fluid resus - IV saline or dextrose if hypoglycaemia
ix acute phase stroke
Non-contrast CT brain
presentation 1 week after stroke with mild deficits investigation
MRI
tx stroke confirmed ischaemic and presenting within 4.5 hours
thrombolysis + thrombectomy within 6 hours
what is given as soon as haemorrhagic stroke ruled out
300mg aspirin
what is given if presenting > 4.5 hours of ischaemic stroke
300mg aspirin
how long is aspirin continued after stroke
14 days at least
what is given immediately in TIA
aspirin 300mg
tx acute intracranial venous thrombosus
LMWH
warfarin for longer term
management of acute variceal upper GI bleed rhyme
FKTAB - flirty katharine takes all boys
management of acute variceal upper GI bleed
FFP vitamin K Terlipressin Antibiotics Endoscopic banding
management of acute asthma rhyme
O SHIT ME oxygen salbutamol hydrocortisone ipratropium theophylline mag sulf escalate
management of acute asthma
sit up and give high flow O2 via non-rebreather 15L mask
salbutamol nebulised 2.5-5mg
40/50mg prednisolone orally or 500mg hydrocortisone IV
- get help -
Ipratropoium bromide (SAMA) via nebulsier is given for life threat and severe, or if patient hasn’t responded to SABA and steroid
IV theophylline
IV Mag sulf 2g over 20 mins
management of thyroid storm
IV propranolol
IV dexamethasone
carbimazole
fluids, paracetamol
elderly patient on NSAID
raised urea disproportionate to creatinine
shock
upper GI bleed - haemorrhagic shock
COPD acute treatment rhyme
ISOTAPE ipratropium salbutamol oxygen theophylline amoxicillin prednisolone escalate
tx hypercalcaemia
IV saline
following hydration bisphosphonates can be used
calcitonin works quicker than bisphosphonates
furosemide may be used if patient cannot handle aggressive fluid therapy
thyroid storm tx
IV propranolol
IV dexamethasone
carbimazol/PTU
Lugol’s iodine - later