Trauma

Question 1

Suspect aortic injury when:

Answer 1

1. First rib fracture
2. Apical capping
3. Mediastinal widened
4. Increased paratracheal stripe
5. blunted aortic knob
6. Left mainstem bronchus depression

Question 2

Parkland Formula

Answer 2

Fluid resuscitation in burns:

2-4mL/kg LR for each percent of BSA of 2nd or 3rd degree burn; 1/2 given in first 8h

Question 3

Definitely intubate CO poisoning if:

Answer 3

COHg >20% and symptomatic or

COHg >30%

Question 4

Burn wound infections: timing

Answer 4

<7d Gram Positive

>7d- GNR and fungi (PsA, candida, Aspergillus)

Question 5

Tx burns

Answer 5

• ppx abx not effective, dont penetrate
• topical abx decrease invasive infection
• mafenide acetate (burns, AGMA) or silver sulfadiazine (neutropenia)

Question 6

Tx burns overview

Answer 6

Full thickeness- not systemic abx, debride necrotic tissue, apply topical abx
Partial thickness- biosynthetic, silicone-coated, silver dressings, NOT abx