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A 61-year-old man is admitted after return of spontaneous circulation following out-of-hospital cardiac arrest of presumed cardiac origin. The cardiology registrar calculates the MIRACLE2 score to support early risk stratification. The patient received adrenaline during resuscitation.
Which parameter carries the highest weighting in the MIRACLE2 score? Select only one best single option.

A. Initial non-shockable rhythm

B. Low pH less than 7.20

C. Two doses of epinephrine given

D. Age more than 80 years

E. Unwitnessed cardiac arrest

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References

https://rebelem.com/miracle2-risk-score-for-early-prediction-of-neurologic-outcome-in-out-of-hospital-cardiac-arrest/

Score

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