Environmental

Question 1

Indicators of a poor prognosis for submersion/Drowning

Answer 1

Age: < 3
Submersion > 5-10 min
Duration of resusc >25 min
Hypothermia
Severe acidosis
GCS 3
Unreactive pupils 
Asystole
Need for prolonged CPR in the ED

Question 2

List six signs or symptoms concerning for upper airway thermal injury

Answer 2

Oral pharyngeal swelling/edema
Strider
Respiratory distress
Facial burns
Drooling
Hoarseness
Carbonaceous sputum
Singed nasal hairs
Soot in the oropharynx

Question 3

What are two clinical features and one laboratory feature for cyanide toxicity [Prompting treatment]

Answer 3

Cardiovascular instability
Altered mental status
Serum lactate >10

Question 4

Treatment of choice for cyanide toxicity

Answer 4

Hydroxocobalamin [B12]

Question 5

Six factors determining the severity of electrical injury

Answer 5

Resistance of skin/mucosa/internal structures
Type of current [AC versus DC]
Frequency of the current
Intensity
Duration of contact
Pathway taken by the current