critical appraisal

JC: Do early pupil responses predict outcome in cardiac arrest? St Emlyn’s

What can early pupil responses tell us after cardiac arrest? This 2018 review examines a large French observational study, separating association with outcome from the ability to predict an individual patient’s recovery. It challenges decisions based on a single early finding and considers how prognosis is discussed.

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JC: More on alcohol sniffing and nausea. St.Emlyn’s

Can inhaling an alcohol swab ease nausea in the emergency department? This 2018 appraisal examines a small trial comparing isopropyl alcohol and oral ondansetron combinations. It considers symptom relief, difficulties with blinding and sampling limitations, explaining why the findings do not establish a replacement for established antiemetic treatment.

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