crit care/ED

Question 1

tx malignant hyperthermia

Answer 1

hyperventilation
O2
dantrolene

Question 2

when can near drowning children go home

Answer 2

asymptomatic
no LOC
no resuscitation in field
obs for 6-8 hours

Question 3

what determines extent of damage in drowning

Answer 3

duration of asphyxia

Question 4

predictors of risk for deterioration in drowning

Answer 4

apnea/CPR in field
neurologic signs or respiratory failure
arterial desaturation, tachypnea

Question 5

worse prognosis for drowning

Answer 5

submersion > 25 min
> 25 min CPR at scene
apnea/coma at admission
cardiac meds
pH < 7.1

Question 6

chest compression depth in infant

Answer 6

1.5 inches

Question 7

rate of breaths in CPR once airway established

Answer 7

1 breath per 6 seconds

if just breaths needed, 1 breath every 3-5 seconds

Question 8

ETT size

Answer 8

age/4 + 4

Question 9

meds that can be given by ETT

Answer 9

lidocaine
atropine
narcan
epi

Question 10

tx of cat bites if PCN allergic

Answer 10

cephalosporin

clinda+bactrim

Question 11

should high infection risk wounds be sutured

Answer 11

no!

Question 12

insect bite with target lesion - red circle surrounding white ring

Answer 12

brown recluse
can become necrotic
usually self-limited

Question 13

insect bite with muscle aches, hypertension

Answer 13

black widow
usually local care; can give benzos for severe muscle spasms
antivenom for severe symptoms, young children

Question 14

what to do for venomous snake bite

Answer 14

ABCs
immobilize limb and let it hang
antivenom (Crofab) if systemic signs
tetanus ppx

Question 15

snakes that are venomous

Answer 15

triangular head

red next to yellow

Question 16

tx of scorpion stings

Answer 16

mostly supportive care and tetanus ppx

young children can have severe sx

Question 17

what percent of linear skull fx have underlying intracranial injury

Answer 17

15-30%

Question 18

when to get neurosurg for skull fx

Answer 18

depressed, basilar, or intracranial injury

Question 19

GCS score that means intubate

Answer 19

8

Question 20

nasal trauma with septal swelling

Answer 20

call ENT for drainage

Question 21

effects of electrical burns

Answer 21

arrhythmias
rhabdo
renal failure

Question 22

BSA calculation

Answer 22

1% for palm
9% for each arm, head
18% for each leg
36% for trunk