HAT (Hemorrhage After Thrombolysis) Score for Predicting Post- TPA Hemorrhage

Assesses hemorrhage risk after tPA

History of Diabetes or Initial Glucose >200 mg/dL

Pre-tPA NIHSS Score

Easily visible hypodensity on initial head CT

Interpretation

Source: Lou M, Safdar A, Selim M, et. al. The HAT Score: A simple grading scale for predicting hemorrhage after thrombolysis. Neurology. 2008; 71(18): 1417–1423. doi: 10.1212/01.wnl.0000330297.58334.dd
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