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ICU · AUDIT TRAIL · SHA-256 SIGNED · APPEND-ONLY

ICU audit trail

147 events today · 0 tampered · all signed by Ed25519 keypair · NABH + HIPAA equivalent
DEMO: chain seeded from data.json on session start. Production (Phase 3): server-side append-only audit_events table.

Live hash chain · SHA-256

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Genesis: 0000…0000
07:31
CODE BLUE T0_PARALLEL · ICU-02
Lakshmi Narayana Bhat · ROSC at 07:33:08 (2m08s) · post-incident review window opens 2026-05-02 07:31
Audible at bedside in 1.8 s (target <2s p99) · 7 staff acknowledged within 15s
All · 147 Acks · 84 Orders · 21 Notes · 18 Break-glass · 1 Code Blue · 1 SMS · 22 Bed:

Events · today · newest first

all signed · click to expand
08:14:23
ack   Alarm acknowledged · ICU-11
Dr Priya R. · BP systolic alarm · acked in 8s · within 30s SLA
7a92f4...
08:00:01
handover   Daily handover lock
Shift A → Shift B · 14 beds · 9 occupied · 5 active rules · 12 silenced rules with reasons · auto-locked · system event
bc14a8...
07:33:18
CODE BLUE RESOLVED   ROSC achieved
ICU-02 · Lakshmi N. Bhat · total duration 2m08s · meds: 2× epinephrine 1mg IV · attending: Dr Priya R. · debrief scheduled 2026-05-02 07:31
f041d2...
07:31:00
CODE BLUE T0   Triggered · ICU-02
SpO₂ <88 for 60s · audible at bedside 07:31:01.8 · paged: Dr Priya R., RT Mukesh G., Sr. Latha M., charge nurse · 7 ack in 15s · code cart at 07:31:18
8d72e1...
07:30:58
BREAK-GLASS   Chart unlock · ICU-02
Sr. Latha M. · 60-min window · reason: "impending code blue, accessing intubation parameters" · auto-expiry 08:30:58 · post-incident review armed
21a4ef...
07:18:44
order   Vasopressor titration · ICU-11
Dr Priya R. · noradrenaline 8 → 12 mcg/min · target MAP ≥65 · countersigned by RT
9c33aa...
06:58:11
note   Morning round · ICU-02
Dr Priya R. · GCS 9T · ventilator settings stable · plan: continue current abx, blood culture day-3 pending, RT to start spontaneous breathing trial post-stable
3f88c1...
06:48:00
sms   Family update sent · ICU-07
morning_update template · to +91 73388 11203 (Mr Vinay Reddy, brother) · delivered 1.1s · DPDP-compliant
4f02a8...
06:00:00
handover   Shift change · night → day
Sr. Mukesh G. → Sr. Latha M. · 14 beds reviewed · 5 patients flagged for early round · all rules confirmed · system event
5c91d4...

Signature integrity

Ed25519 · daily anchor to immutable store
Today's events
147
Signed
147
Tampered
0
Daily anchor (Merkle root)
a4f8e2...91c047 · published 2026-05-01 06:00 IST