Curiosity killed the cat (scan)

      Identifying the reversible causes is a key tenet in the immediate post-arrest algorithm after cardiac arrest. While less frequent,
      • Arnaout M.
      • Mongardon N.
      • Deye N.
      • Legriel S.
      • Dumas F.
      • Sauneuf B.
      • et al.
      Out-of-hospital cardiac arrest from brain cause: epidemiology, clinical features, and outcome in a multicenter cohort.
      neurologic causes of cardiac arrest occur often enough to be considered when the five “Hs and Ts” in the advanced cardiac life support algorithm have been exhausted. In the most current guidelines, routine head computed tomography (CT) is not required,
      • Callaway C.W.
      • Donnino M.W.
      • Fink E.L.
      • Geocadin R.G.
      • Golan E.
      • Kern K.B.
      • et al.
      Part 8: post-cardiac arrest care: 2015 American Heart Association guidelines update for cardiopulmonary resuscitation and emergency cardiovascular care.
      though Head CT may illuminate the etiology of an arrest, prompt changes in management, or provide information on prognosis.
      • Wu O.
      • Batista L.M.
      • Lima F.O.
      • Vangel M.G.
      • Furie K.L.
      • Greer D.M.
      Predicting clinical outcome in comatose cardiac arrest patients using early noncontrast computed tomography.
      The question remains what the role of Head CT should be in after out of hospital cardiac arrest (OHCA)?
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