Clinical Emergencies Flashcards

1
Q

acute asthma

A

PEFR
prev ITU admission: admit regardless of severity

o2
salbutamol 5mg neb  - monitor ecg, give back to back every 15min 
hydrocortisone 100mg iv or pred 40mg po 
ipratropium bromide 500mcg neb 
escalate, consider mgs04 IV 

covid swab: DONT FORGET COVID IN DD
sputum culture

if features of acute severe or life-threatening: warn ICU, seniors

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2
Q

How do you treat a bleeding peptic ulcer?

A
ABCDE
IV fluids 
blood products if needed: blood transfusion, platelets, FFP, consider vit K
blatchford sore 
high dose PPI IV 40mg omeprazole
iv morphine
iv antiemetic e.g. 10mg metoclopramide 

Upper GI endoscopy:

  • clipping +/- adrenaline
  • thermal regulation with adrenaline
  • sclerotherapy (inject thrombin/fibrin) with adrenaline
  • H pylori: amoxicillin (metro) + clarithromycin + PPI
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3
Q

How to treat hyperkalaemia?

A

10U actrapid/novorapid in 100ml of 20% dextrose of 30min IV = first drug to lower pt’s K+

IV 10% 10ml calcium gluconate
IV 10U insulin + 50% 50ml dextrose
5mg neb salbutamol
calcium resonium

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4
Q

what are some complications of acute pancreatitis?

A

peripancreatic collections
pseudocysts
pancreatic necrosis, abscess
ARDS

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5
Q

aortic dissection

A

c - large bore cannulae, abx, analgesia

USS/ct

immediate refer: vascular surgeons, anaesthetist

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6
Q

paracetamol OD

A

activated charcoal <1h
if <4h, wait till 4h to do levels
4-8hr: do para levels, start nac if over tx line
immediate nac if staggered od, uncertain time, >8hr since presentation
consider transfer to liver uni, call toxicology
psych r/v if suicide attempt

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7
Q

DKA

A

high bm, ketones >3, acidaemia
ketones

fluid bolus (protocol), senior, DM team
intravenous infusion at a rate that replaces deficit and provides maintenance; see guideline
continuously re-assess
insulin: 0.1U/kg/h
k+ replacement when urine output adequate, monitor u/e every hour
dextrose once bm <15: 10% dex infusion with nacl
heparin/lmwh: prothorombotic state

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8
Q

AECOPD

A

B - peak expiratory flow rate, sputum culture
C - theophylline levels of on it at home, blood culture, ABX if sputum purulent

O2
salbutamol 5mg neb
hydrocortison 100mg iv 
ipratropium bromide 500mcg neb 
escalate: bipap (pH <7.35) or I&amp;V (pH<7.25) or doxapram
theophylline: seniors
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9
Q

unconscious patient

head injury

A

trauma call: EM, anaes, ortho, gen surg, radio…
CABCDE
a- 3 point immob, jaw thrust, anaes
15l, o2
c: bloods for alc, salicylate, para, lft, u/e, tft, cortisol, glucose, preg, trop, d-dimer
d;: pupiles for stroke, opiates, glucose, gcs, neuro exam to localise lesion
e: skull: battle’s, raccoon, csf leak, haemotypanum

neurosurg, ct head, tetanus status

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10
Q

septic shock

A
BUFALO
Give 3
- oxygen
- broad spectrum antibiotics (within 1hr)
- IV fluids

Take 3

  • blood cultures (urine, sputum, csf)
  • urine output
  • ABG (including lactate)

sepsis: qSOFA score

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11
Q

stroke / TIA

A
CT head
aspirin 300mg PO after excluding haemorrhagic stroke 
thrombolysis: 4.5 hr, if no contraindic 
sec: clopidogrel / aspirim
carotid endarterectomy
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12
Q

PE

A

also presents with haemoptysis, SOB, pleuritic cp
check leg swelling, ask details of it (DVT)

Well's
O2
IV morphine
treat: DOAC
if delay ctpa: doac until scan

if massive PE (haemodynamic compromise): consider bolus alteplase
future Mx: look for underlying malig

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13
Q

tension pneumothorax

A

1 way valve: air sucked in, pressure on side, push mediastinum, kink great veins, prevent venous return –> fall stroke vol, fall cardiac output

immediate needle decompression 2nd ICS, MCL
seniors: CXR, chest drain-

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14
Q

pneumonia

A
  • CURB-65 to assess severity 2 = hospital
    confusion, urea>7, rr>30, bp <90/60, age>65
  • Oxygen (15L 100% NRB) if still hypoxic:
    CPAP , NIV, Intubation
  • Antibiotics (local protocol/contact microbiology)
    amox, amox + other, HAP: co-amox or taz
  • Analgesia (paracetamol/ NSAID for pleuritic pain)
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15
Q

HHS

A

fluid bolus
insulin only if bm not falling adequately, 0.05u/kg/h
k+ replacement when urine output adequate, monitor u/e every hour
dextrose
heparin/lmwh: prothorombotic state

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16
Q

what are the complications of status epilepticus?

A
permanent cerebral damage 
cardiac arrhythmia
aspiration pneumonia: vomiting 
hypoglycaemia
hyperkalaemia: rhabdomyolysis 
death
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17
Q

encephalitis

A

like meningitis but with impaired consciousness, odd behaviour

bc, viral pcr of serum, malaria film
contrast ct
lp: hsv pcr

acyclovir (for hsv)
adjust mx: liaise with micro

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18
Q

upper GI bleed:
what causes to consider?
how to manage?

A
peptic ulcer disease
duodenal erosions
oesophagitis
varices 
mallory-weiss 

b - erect cxr if perf
c- 2x large bore cannulae, cross match, clotting, lft, calculate blatchford score
iv fluids
blood products: ffp, blood transfusion

e- abdo exam, peritonism, look for peri oedema, ascites in cirrhotic pt, PR for malaena

  • Keep patient nil by mouth + notify surgeons
  • Bleep endoscopist

varices: abx: cef, quinolone, terlipressin or octreotide if ihd
varices: banding, injection sclerotherapy, TIPS, sengstaken blakemore tube to arrest bleed

peptic ulcer: clipping w adrenaline, sclerotherapy, high dose ppi 40mg omeprazole post endoscopy

  • check for/eradicate H pylori - triple therapy amox, clari, ppi
  • If massive bleed activate major haemorrhage protocol

rockall score post endoscopy

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19
Q

anaphylaxis

A

B - neb adrenaline if wheeze
C - 500ml iv nacl stat
HELP: peri arrest team

0.5ml 1:1000 IM adrenaline
200mg iv hydrocortisone
10mg iv chlorphenamine

Additionally, consider nebuliser adrenaline if wheeze. Measure mast cell tryptase at 1-6h and test for igE mediated reaction with RAST test

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20
Q

Tachy: Broad QRS, regular = ?

A

VT

21
Q

How to treat VT arrhythmia?

A

amiodarone 300mg IV over 20-60min

Then 900mg over 24hr

22
Q

Describe Torsades de points tachycardia

A

Bit like VT but irregular + wandering baseline, polymorphic

Cause: QT interval prolongation e.g. antiarrhythmics, TCA, antipsychotics, chloroquine, erythromycin, electrolytes

23
Q

How to treat Torsades de pointes

A

Magensium 2g over 10min

24
Q

Tachy: narrow QRS, regular = ?

A

Atrial flutter –> BB

re-entry parosyxmal SVT

25
Q

How to treat SVT?

A

vagal manouvre: valsalva, carotid sinu s mssage
adenosine: slow conduction through AVN
(verpamil in asthmatic)
DC cardioversion

26
Q

tachy: irreg, narrow complex tachy = ?

A

AF
BB/diltiazem
consider digoxin, amiodarone if HF

27
Q

Contraindications for thrombolysis in stroke?

A

recent surgery
prev intracrnail haemorrhage, brain tumour, aneurysm, head injury, stroke in past 3/12
haemorrhage: GI, urinary tract in past 3/52
>6hr sx onset
severe liver disease
pt on anticoag

28
Q

acute pulm oedema

/acute HF

A

B - CXR features of HF (ABCDE)
C - ECG, echo, plasma BNP

Loop diuretic: furosemide 40mg IV 
diamorphine 1.25mg iv 
nitrates GTN spray 2 puffs subling; not if SBP<90 
o2 
position
29
Q

features of life-threatening asthma

A
33 92 CHEST: life-threatening asthma features 
PEF <33%
Sats <92%
cyanosis 
hypotension
exhaustion
silent chest 
tachycardia 

reduced consciousness
normal PaCo2

30
Q

features of acute severe asthma

A

pefr 33-50% best/predicted
rr>25
HR>110
inability tco complete sentences in 1 breath

31
Q

features of moderate acute asthma

A

increasing sx
pefr 50-75% best/predicted
no features of acute severe asthma

32
Q

acute pancreatitis

A

c; iv fluids, titrate to adequate urine output
pain: morphine
calculate mod glasgow score
escalate, ITU early

33
Q

Status epilepticus

A
start clock
crash call 
0min: a-e
5min: 1st dose iv lorazepam/pr diaz/buccal midaz, senior r/v
15min: 2nd dose 
25min: iv phenytoin (ecg)/ keppra 
45min: RSI: sodium thiopental, itu 

preg: eclampsia
correct causes as arise: glucose, elec, sepsis, bp, alcol withdrawal

34
Q

ACS: STEMI

A
A-E: troponin, d-dimer, BNP 
MONARTH:
morphine 5mg iv + metoclopramide 10mg iv
O2: sob or <94%
nitrates: gtn sublingual 
aspirin 300mg 
reperfusion: PCI 
ticagrelor 180mg po 
heparin: unfractionated/lmwh
35
Q

ACS: NSTEMI

A
A-E: troponin, d-dimer, BNP 
MONARCH:
morphine 5mg iv + metoclopramide 10mg iv
O2: sob or <94%
nitrates: gtn sublingual 
aspirin 300mg 
reperfusion: depending on GRACE/TIMI score
clopidogrel: 300mg PO
heparin: unfractionated/lmwh - continue until discharge

low risk: coronary angio elective
high risk: coronary angio + PCI

36
Q

pneumothorax

A

primary:
<2cm: home, safety yet, f/u cxr, senior advice
>2cm: senior, aspirate (cannula), if not successful chest drain

Secondary pneumothorax

  • <1cm = Admit for 24hr observation
  • 1-2cm = Admit and attempt aspiration
  • 2cm+ or symptomatic = chest drain
37
Q

haemorrhaging shock

A
  • Stop bleeding (may require referral to surgery)
  • Raise legs, give fluids (titrated to HR BP and urine output), lease with seniors regarding escalation
  • haemorrhage estimated at >30% total blood volume = activate massive haemorrhage protocol (administering O Rh -ve blood until units are cross matched)
  • speak with seniors/haematology regarding replacement of RBC and FFP
38
Q

Broad complex tachycardia

VT, SVT, AF

A

Pulseless VT > follow arrest protocol

Are there adverse signs? - HF, chest pain, shock

YES - immediate cardioversion (call anaesthetist)

NO - is QRS regular?

Regular = 300mg IV amiodarone
Irregular = try IV adenosine (if polymorphic VT try IV mgso4)
39
Q

Narrow complex tachycardia

Sinus tachycardia, atrial tachyarrhythmia

A

If irregular - manage as AF

Stable
<48h - synchronised dc shock
- pharmacological cardioversion with Flecainide (or amiodarone if structural abnormality - do echo)

> 48h

  • electrical cardioversion if patient has been anticoagulated for 3 weeks on warfarin
  • betablocker/calcium channel blocker/ digoxin - if patient is over 65 or has Hx of IHD

Unstable
- Heparinise + sedate + DC cardiovert

Regular

  • valsalva manoeuvre or carotid massage
  • adenosine (or verapamil if they have asthma)
  • if adverse signs = DC cardiovert > amiodarone
  • no adverse signs = b-blocker, Ca-b, amiodarone
40
Q

Bradyarrythmia

A

If adverse features or risk of asystole:

  • 1st: IV atropine
  • 2nd: repeat IV atropine to max 3mg, transcutaneous pacing, IV isoprenaline or IV adrenaline

No adverse features - just observe

41
Q

meningitis

A

CT then LP (normal pressure = 10-20cmH2O

  • IV Cefotaxime + Ampicillin
    (Outside hospital administer IM Benpen)
  • IV fluids
  • Escalate (seniors, ITU, microbiology)
  • Consider IV dexamethasone
42
Q

aki

A

urgent + fluids
seniors, nephrologists if hyperkalaemia, pulm oedema, uraemic cx, metab acidosis
fluid bolus if dehy, low bp
urinalysis
imaging: renal uss if obstruction or no clear cause of aki
stop nephrotoxic ddrugs: nsaids, nephro abx: gent, nitro, diuretic, acei/arb, metformin (lactic acidossis)

43
Q

hypoglycaemia

A
bm <4 + conscious: glucojuice bottles
<4 + confused: glucogel in gums/cheecks
<4 + unconscious: 
iv dextrose 50ml 50-%, 
im glucagon: NOT if alcohol, malnutrition 
once conscious: sugar drinks, meal
44
Q

overdose/poisoning

A
tictac system to identify pills 
discuss with toxicology 
b: anaesthetist if po2<8, rr<8, gcs<8
c: toxicology screen:urine, serum 
liaise w seniors, consider act charcoal, gastric lavage, haemofiltration, specific antidotes
45
Q

benzodiazepine antidote

A

iv flumazenil

46
Q

co antidote

A

100% o2, hyperbaric o2

47
Q

bb antidote

A

iv atropine, iv glucagon/dextrose, cardiac pacing

48
Q

ecg features: hyperkalaemia

A

tall t waves
small p waves
broad QRS
vent fib

49
Q

SBO/LBO

A
IV fluid resus
analgesia
anti-emetic
abx
NG tube: bowel decomp
VBG
 NBM 
surgeons to r/v
E-CXR, abdo XR