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Claassen J, Bernardini GL, Kreiter K, Bates J, Du YE, Copeland D, Connolly ES, Mayer SA. Effect of cisternal and ventricular blood on risk of delayed cerebral ischemia after subarachnoid hemorrhage: the Fisher scale revisited. Stroke. 2001; 32 (9): 2012-2020.

Lantigua H, Ortega-Gutierrez S, Schmidt JM, Lee K, Badjatia N, Agarwal S, Claassen J, Connolly ES, Mayer SA. Subarachnoid hemorrhage: who dies, and why? Critical Care. 2015; 19 (1):1-10.

Pegoli M, Mandrekar J, Rabinstein AA, Lanzino G. Predictors of excellent functional outcome in aneurysmal subarachnoid hemorrhage. 2015; Journal of Neurosurgery 122: 414-418.

Kramer AH, Hehir M, Nathan B, Gress D, Dumont AS, Kassell NF, Bleck TP. A comparison of 3 radiographic scales for the prediction of delayed ischemia and prognosis following subarachnoid hemorrhage. Journal of Neurosurgery. 2008; 109:199-207.

Dr. Jan Claassen

Modified Fisher Grading Scale for Subarachnoid Hemorrhage (SAH)

<p>States severity of SAH based on amount and type of blood on CT with associated vasospasm risk.</p>

Modified Fisher Scale

<p>Benjamin Kummer, MD, is currently the inaugural Clinical Informatics fellow at New York Presbyterian Hospital, a joint program with Columbia University’s Department of Biomedical Informatics. A New York City native, Dr. Kummer earned a BA from the University of Pennsylvania before working for several years as a business systems analyst at Capital IQ, a financial technology firm. He received his MD from Drexel University College of Medicine in Philadelphia and completed residency training in neurology at the Neurological Institute of New York at Columbia University Medical Center, followed by a fellowship in stroke neurology at New York-Presbyterian Hospital/Weill-Cornell Medical Center.</p>

Benjamin Kummer, MD

The Modified Fisher Grading Scale rates severity of aneurysmal subarachnoid hemorrhage (aSAH) based on amount and type of blood on CT with vasospasm risk.

Fisher Grading Scale

Ottawa SAH Rule

Hunt & Hess Classification

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