Free Set
Question
Which quantitative measure is used to assess the effectiveness of chest compressions during CPR?
Options
A
End-tidal carbon dioxide (EtCO₂)
Correct AnswerBChest rise
C
Arterial oxygen saturation (SpO₂)
D
Central venous pressure (CVP)
Correct Answer & Explanation
Option A: End-tidal carbon dioxide (EtCO₂)
Rationale
End-tidal CO₂ (EtCO₂) is a useful quantitative indicator of CPR-generated blood flow; values above 10 mmHg are generally desired, and higher values are associated with better perfusion. A sudden sustained rise may indicate return of spontaneous circulation (ROSC).
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