ICU · ALERT RULES · ICU-02
Per-patient alert rules · Lakshmi N. Bhat
M · 67 · CAP · sepsis · ventilated · 8 active rules · 12 silenced (intentional, with reason & expiry)
LB
Lakshmi Narayana Bhat
SPH00482720 · M · 67 · IPD-3F bed 308 · admitted 2026-04-29 22:14
Attending
Dr Priya R.
Dr Priya R.
Allergies
Penicillin
Penicillin
DNR / DNI
No
No
Bundle
ICU sepsis · v2
ICU sepsis · v2
Active rules 8
CRITICAL
SpO₂ critical low
when spo2 < 88
for 60s then CODE_BLUE_T0 + alert charge nurse + page intensivist
Default rule · ICU sepsis bundle · last fired 07:31 (Code Blue resolved 07:33)
CRITICAL
BP systolic critical
when bp_systolic < 85
or bp_systolic > 200
for 2m then bedside audible + page intensivist
HIGH
Tachycardia sustained
when hr > 120
for 10m and temp > 38.5 then nurse alarm
Sepsis SIRS criteria · 2 of 4 active
HIGH
Lactate trend (LIS)
when lis.lactate > 4.0 mmol/L
or delta(6h) > +1.5 then intensivist + lab
Cross-system rule · LIS feeds ICU
HIGH
Vent disconnect
when vent.flow == 0 for 15s then bedside audible + RT page
Silenced (with reason) 12
PAUSED
Bradycardia < 50
when hr < 50
for 2m then alarm
Silenced by Dr Priya R. · reason: "on amiodarone, expected HR ~55" · expires 2026-05-02 06:00
PAUSED
SpO₂ < 95% warn
when spo2 < 95 for 5m then nurse alarm
Silenced by RT Mukesh G. · reason: "Permissive hypoxaemia per protocol, target 90-94%" · expires 2026-05-01 18:00
Bundle templates apply quickly
ICU sepsis bundle · v2
applied
8 rules · auto-aligned with surviving sepsis 1-hr bundle · lactate, MAP, SpO₂, HR, RR, temp, urine output, mental status
Post-op cardiac · v1
12 rules · ECG trends, drain output, pacing, anticoag, pain
Stroke watch · v1
9 rules · GCS, BP corridor, glucose, NIHSS prompts
DKA / HHS · v1
7 rules · glucose, K+, anion gap, fluid balance
LIVE · ESCALATION CHAIN · SpO₂ rule
Demo: when "SpO₂ < 88 for 60s" fires
Nurse → Resident → Intensivist → Consultant. 1 wall-second = 10 alert-clock seconds.