Athletic Heart
LEGION SEALED
Athletic Heart is medical-grade AI that reads heart ultrasound images automatically. It measures ejection fraction, chamber size, and strain from the actual pixels of each scan, then passes every result through seven independent safety checks before a doctor ever sees it. If anything is uncertain or unusual, it refuses to answer rather than risk a wrong read. Every decision is recorded in a tamper-proof chain, and the whole platform is independently re-tested by a separate adversarial AI to prove it catches its own mistakes.
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Seven-Gate Safety
Signal quality, calibration, consent, and confidence gates must all pass - a single failure blocks diagnostic emission.
Fail-Closed by Default
The system defaults to non-emission. Ambiguous studies route to human review rather than risk a false read.
Regulatory-Evidence Ledger
Every diagnostic decision is chained into a hash-verified ledger that preserves evidentiary integrity for regulatory review.
Adversarial QA
An independent adversarial harness re-verifies the platform against seeded defects, with a 1:1 catch requirement.
- Real pixel-measurement engine
- Conformal prediction + OOD firewall
- Seven-gate safety architecture
- Hash-chained evidence ledger
- FDA Class II pathway
- Fail-closed diagnostics
- Seven-gate safety architecture
- Hash-chained regulatory evidence
- Adversarial re-verification