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Emergency Medicine Flashcards

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1
Q

Benzodiazepine overdose management

A

IV fluids and monitoring
-AVOID Flumazenil

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2
Q

Situation where flumazenil can be given for benzodiazepine OD

A
  • Unintentional lone paediatric benzodiazepine ingestion with compromised airway and breathing
  • When benzodiazepine overdose results in compromised airway or breathing in
    settings where resources for intubation are not available
  • Iatrogenic over-treatment with benzodiazepine
  • An elderly patient with respiratory disease/ intubation should be avoided
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3
Q

Cocain overdose treatment

A

1st: Sub-lingual nitro-glycerine
2. Benzodiazepines

NOTE: BB and aspirin are contraindicated

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4
Q

Gram -ve organisms

A

H influenzae
P aeruginosa,
K pneumoniae,
Escherichia coli

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5
Q

Gram +ve organisms

A

S pneumoniae
Staphylococcus aureus

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6
Q

paracetamol overdose management

A
  • < 2 hours: activated charcoal
    2-8 hours: paracetmaol concentration + ALT and if serum concentration low, no treatment
    If concentration high: IV N-acetyl cysteine
  • > 8 hours: IV N-acetyl cysteine
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7
Q

Metabolic effects of aspirin overdose

A

– Early primary respiratory alkalosis.
– Late metabolic acidosis.
– Hypokalaemia.
– Hypoglycaemia-sometimes hyperglycaemia

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8
Q

hyperkalaemia treatment

A
  1. Calcium chloride
  2. sodium bicarbonate
  3. glucose/insulin
  4. haemodialysis
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9
Q

Tampon + diffuse rash + fever + confusion + hypotension + multiorgan damage

A

Toxic shock syndrome
- Staph aureus

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10
Q

Anaphylactic shock management

A

0.01ml/kg adrenaline IM
- IV hydrocortisone + antihistamine

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11
Q

type 2 DM + hyperglycaemia + dehydration with/o
ketoacidosis

A

hyperosmolar hyperglycaemia

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12
Q

hyperosmolar hyperglycaemia treatment

A

Sodium (corrected) = Sodium (measured)
+ glucose / 4 (all values in mmol/L)
- if Na > 150 = sodium chloride 0.45%

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13
Q

Diabetic ketoacidosis management

A
  1. IV saline 1 to 3 L of 0.9%
  2. insulin
  3. Dextrose 5%
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14
Q

gliclazide + reinal impairment fixed by glucose infusion

A

sulphonylurea-induced hypoglycaemia
- IV glucose (5% dextrose) infusion for several days

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15
Q

haemorrhage + lung Edema with/o
parenchymal disruption + several hours after the initial injury

A

Pulmonary contusion

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16
Q

Pulmonary contusion management

A

Supporative
- good oxygenation
- adequate pulmonary toilette

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17
Q

Diabetic ketoacidosis investigation

A
  1. Capillary blood sugar level
  2. Venous or arterial blood gases
  3. Blood or urinary ketone level
  4. Other investigations like chest X-ray, blood culture, urine culture, full blood count etc
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18
Q

Chest trauma + Dyspnoea + Hypotension + Hyper-resonance + mediastinal shift

A

Tension pneumothorax

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19
Q

Tension pneumothorax

A

needle thoracotomy
- chest tube after patient stable with needle

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20
Q

Difference between pneumothorax vs haemothorax

A

pneumothorax: high percussion resonance
haemothorax: dull percussion resonance

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21
Q

best indicator of an effective CPR

A
  1. Pupil size and reaction to light
  2. carotid and femoral pulse
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22
Q

Nausea and vomiting + Excessive sweating + severe headache + Coagulation defects (raised INR,
APTT, bleeding)

A

Snake envenomation

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23
Q

Snake envenomation management

A
  1. Apply pressure immobilisation/elastic bandage (PIB)
  2. Check sign for envenomation
    3: No envenomation: topical anaesthetics & swab bites
    check labs for envenomation: if no signs release PIB, repeat blood test post removal if PIV, then 6 and 12 hours
    4: If clinical envenomation present: 2 IVs + take bloods
  3. Resuscitate
  4. Prep for anaphylactic reaction
  5. Give antivenom (1 vial tiger, 1 of brown)
  6. Release PIB after antivenom
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24
Q

Medication that can cause angioedema

A

ACE1 30%
ARBs

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25
Angioedema treatment
1. Cease offending drug 2. steroids, antihistamines and epinephrine
26
Digoxin immune Fab indication for digoxin toxicity
- Ingested dose (more than 10 mg in adults, more than 4 mg in children). - Cardiac arrest. - Potassium concentration above 5.0 mmol/L. - Life-threatening ventricular arrhythmias. - Decompensation (hypotension) from bradyarrhythmia's
27
severe dyspnoea + distress + pallor + sweating + tachycardia + poor peripheral perfusion X-ray: bilateral basal + mid zone whiteout
Acute Pulmonary oedema
28
Chronic digoxin toxicity
associated with intercurrent illness, (with impaired renal function) symptoms of insidious onset over days to weeks features: acute digoxin toxicity features with visual disturbances (e.g. reduced acuity, yellow halos (xanthopsia) and altered color perception (chromatopsia)
29
Cardiac arrest management
- Acidemic: compressions - if hyperkaliaemic/ hypocalcaemic/ CCB OD: calcium gluconate injection - TCA OD: Sodium bicarbonate
30
cardiac arrest core body temperature risk
32
31
altered mental status + sedation, tachycardia + signs of anticholinergic toxicity (mydriasis, urinary retention, dry mucous membranes)_
tricyclic antidepressants (TCA) toxicity
32
bradycardia + hypotension + hypoglycaemia within 6 hours of ingestion
beta blocker (BB) overdose beta blocker overdose
33
Severe croup management
nebulised adrenaline (1 mL of 1% adrenaline solution mixed with 3ml of normal saline) - observation and repeat dose if needed
34
Burn injury management
– Wash the area with water at room temperature. – Avoid using ice water as further tissue damage will result otherwise. – Do not peel the adherent clothing or burning substance. – Do not apply lotions or creams except hydrogel.
35
Absent/buried P waves + narrow/tall QRS
SVT
36
SVT management
Stable: 1st: Valsalva 2nd: Adenosine Unstable: DC cardioversion
37
Acute pulmonary oedema management
-Commence oxygen (10–15 L/min via Hudson type mask and reservoir bag). -Get intravenous access. -Patient supported in sitting up position. -Glyceryl trinitrate (vasodilator) -Continuous positive airway pressure CPAP. -Intravenous frusemide – Morphine-to reduce sympathetic nervous activity
38
Acute alcohol withdrawal treatment
Diazepam
39
venlafaxine alternative
- Reboxetine - mirtazapine
40
MVA + fractured ribs on both sides + paradoxical breathing
Flail chest
41
MVA + fractured ribs of > 2 ribs on one side + paradoxical breathing
Flail chest
42
Flail chest management
Intubation and ventilation NOTE: Splinting/wrapping considered in the acute setting in the absence of analgesia.
43
Shockable rhythms for defibrillator
- Ventricular tachycardia - ventricular fibrillation - asystole - pulseless cardiac activity
44
Defib protocol
1. Defib (300j) 2. CPR 3. Defib again + 1mg adrenlaine 4. CPR 2 mins
45
Tall P wave + broad QRS + ST segment depression
Hyperkalaemia
46
Severe hyperkalaemia management
Calcium chloride 10 ml - reduce risk of ventricular fibrillation
47
most common cause of death seen in pre-hospital STEMI
Ventricular fibrillation -occur within the first 24h of the onset of symptoms, and of these, over half occur in the first hour
48
Organophosphate poisoning
DUMBELS –Diarrhoea –Urination –Miosis –Bronchorrhea, bradycardia –Emesis –Lacrimation –Salivation.
49
high-quality CPR
1.The depth of the chest compression should be at least 5 cm. 2.The rate of chest compressions should be 100 per minute and should never be faster than 120 per minute. 3.The point of compression should be middle of the lower half of the sternum. 4.If the second rescuer is available, they should change the person every 2 minutes or earlier for high-quality CPR. 5.Give 30 compressions followed by two ventilations
50
hypoperfusion + hypotension, + multiorgan dysfunction + white urine
Septic shock
51
Septic shock treatment
- immediate hydration - broad-spectrum antibiotics, - possible intubation - pressors, - admission to the intensive care unit
52
severe headache, + breathlessness + nausea + vomiting + weakness + lassitude + retinal haemorrhages and venous tortuosity
acute mountain sickness (AMS)
53
acute mountain sickness (AMS) management
- Descent - hyperbaric chambers - acetazolamide
54
testicular torsion management
Rotate the testes in a medial to lateral direction as if you were opening a book
55
elderly + delirious + blurry vision + dry mouth + constipation
Anticholinergic syndrome
56
Hot and red + Tachycardia + Dry skin + Urinary retention + Constipation + Dilation of pupils.
Anticholinergic toxidrome
57
zygomatic bone fracture features
Inability to open the mouth Periorbital and/or subconjunctival ecchymosis Horizontal diplopia Vertical diplopia Enophthalmos
58
hyperthermia + muscle rigidity + altered mental status + autonomic instability + antipsychotic medication
Neuroleptic malignant syndrome
59
basophilic stippling + anaemia + low haemoglobin
Lead poisoning
60
Rovsing sign
Acute appendicitis
61
rAUNAUD'S
symmetrical cyanosis of the extremities with persistent, uneven, mottled blue or red discoloration of the skin of the digits, wrists, and ankles, along with profuse sweating and coldness of the fingers and toes
62
Blumberg sign
peritoneal inflammation - sharp pain when the examiner presses his or her hand over McBurney point and then releases the hand pressure suddenly.
63
increased PaO2 + decreased PaCO2 + increased HCO3
Metabolic alkalosis secondary to bulimia
64
-Blurred vision. -Dry mouth. -Unreactive or sluggish reactive pupil. -Constipation. -Urinary retention. -Motor paralysis.
Botulism
65
Hypotension, raised JVP, muffled heart sounds
Beck triad: Cardiac tamponade
66
hypotension with either bradycardia + normal heart rate despite fluid resuscitation
Neurogenic shock - give vasopressor
67
previous hx of cardiac disease + bradycardia + hypotension
Cardiogenic shock - Give dobutamine
68
capillary refill, cool and mottled peripheries, tachycardia, drowsiness and hypotension
circulatory shock
69
Blood loss estimation
70
rabies featires
- incubation period varies from 5 days to many years - fatal encephalitis and brain stem dysfunction -
71
Rabies management
Thoroughly wash the wound- clean and debride if indicated. -Transmission between humans has not been proven. -Post-exposure prophylaxis
72
Rabies Post-exposure prophylaxis regime
first dose of rabies vaccines + immunoglobulins as soon as possible after the exposure. The schedule of vaccinations should be 0, 3, 7 and 14th day - If immunocompromised: a 5th dose at 28-day post exposure
73
Parkland formula:
(4 x bodyweight x burns %) / 2 (first 8 hours)
74
cleaning fluid intoxication
- potent hepatic toxin - increased ammonia due to liver damage - triphasic EEG
75
drooling + radycardia + miosis + increased urination, + diarrhea
organophosphate poisoning
76
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