HAT Score (hemorrhage after thrombolysis)
HAT Score (hemorrhage after thrombolysis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
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What this is
HAT Score (hemorrhage after thrombolysis) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. HAT Score (hemorrhage after thrombolysis) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Lou M, Safdar A, Mehdiratta M, et al. The HAT Score: a simple grading scale for predicting hemorrhage after thrombolysis. Neurology. 2008;71(18):1417-1423. Read the source ↗
Worked example: HAT 5/5: symptomatic ICH risk after thrombolysis ~44%.
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