Shock subtypes by left ventricular ejection fraction following out-of-hospital cardiac arrest.

Subgroup analysis by initial rhythm Among patients with an arrest rhythm of ventricular tachycardia or ventricular fibrillation ( n = 86), the odds ratio for neurocognitive outcome favored lower LVEF, but this association did not reach statistical significance (OR 0.76, 95% CI 0.54–1.07; p = 0.10).

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