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CCFP EM Exam Questions and Answers (Graded A)
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CCFP EM Exam Questions and Answers (Graded A)CCFP EM Exam Questions and Answers (Graded A)CCFP EM Exam Questions and Answers (Graded A)CCFP EM Exam Questions and Answers (Graded A)CCFP EM Exam Questions and Answers (Graded A)CCFP EM Exam Questions and Answers (Graded A)A-a gradient equation @ sea l...

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  • October 6, 2024
  • 77
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ccfp em exam questions and answers graded a
  • ccfp em exam questions and answer stuvia
  • a a gradient equation sea level answer 150 1

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CCFP EM Exam Questions and

Answers (Graded A)


A-a gradient equation @ sea level - ANSWER-(150-1.2(PaCO2))-PaO2




Compared to expected: Age/4 + 4




Anion gap equation - ANSWER-AG = Na - (Cl + HCO3)




Normal = 8-12




Delta gap equation - ANSWER-Delta gap = Delta anion gap - Delta HCO3




FENa equation - ANSWER-FENa = [(UNa x Scr)/(SNa x Ucr)] x 100




OR




(UNa/SNa) / (Ucr/SCr) x 100

,GCS score - ANSWER-GCS Motor: 6 obeys commands, 5 localizes pain, 4

withdraws to pain, 3 flexion to pain (decorticate), 2 extension to pain

(decerebrate), 1 none.




GCS Verbal: 5 oriented, 4 confused, 3 inappropriate words, 2

incomprehensible sounds, 1 none.




GCS Eyes: 4 spontaneous opening, 3 opens to command, 2 opens to pain, 1

none




Serum osmolality equation - ANSWER-1. Serum osmolality = (2 x sodium) +

BUN + glucose + EtOH




Gap = serum Osm - calculated Osm




Norma = -10 to +10




Parkland formula - ANSWER-TBSA x weight (kg) x 4

,half of volume given in first 8 hours

(starting at the time of the burn not at time entering ER)




half over next 16 hours




Winter's formula - ANSWER-Pco2 = 1.5 [HCO3-] + 8 +/- 2




ACS shock classification - ANSWER-I: 15%/750ml loss - relatively normal

vitals

II: 15-30%/1.5L loss - tachycardia, normal BP

III: 30-40%/2L loss - tachycardia + hypotension

IV: 40%+/2L+ - shock, tachycardia, hypotension, AMS




Beck's triad - ANSWER-hypotension, JVD, muffled heart sounds




Mandible fracture red flags - ANSWER-mandibular pain

malocclusion

trismus

, decreased TMJ motion

lower lip paresthesia (mandibular nerve injury)




Most common is condyle




Orbital fracture red flags - ANSWER-orbital pain

globe injury

diplopia

proptosis (retrobulbar hematoma)

limited ocular movement (entrapment)

↓visual acuity




Cushing's Response/Reflex/Triad - ANSWER-HTN, bradycardia, irregular

respirations




Basal skull fracture signs - ANSWER-Periorbital ecchymosis (raccoon eyes)

CSF rhinorrhea

hemotympanum

mastoid process bruising (battle's sign)

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