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ATLS Shock Class III — FRCA Final MCQ

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ModerateTrauma & Emergency AnaesthesiaATLS Shock Class IIIFRCA Final

25-year-old motorcyclist: HR 130, BP 85/50, RR 30, GCS 14, cool/clammy. ATLS shock class?

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Correct answer: D — Class III

Class III (30-40% blood volume loss): tachycardia >120, hypotension (SBP <90), tachypnoea 30-40, confusion. First class where hypotension occurs. Class I <15%: minimal signs; Class II 15-30%: tachycardia, normal BP; Class IV >40%: lethargy, severe hypotension.

Reference: ATLS – 2018 – Shock classification