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Case case_a190020d-4f8f-432e-8f06-9360a740fbc4

Status: open · suspected: LCBI

🤖 AI final determination

Checking for cached AI verdict…

✅ Rule-based evaluator: Meets LCBI 1 for Pseudomonas — HO (HD 15) → CLABSI (central-line attribution applies).

Suspected event type LCBI
Date of Event (DoE) 2026-04-15
Hospital day at DoE 15
Onset HO
Infection Window Period 2026-04-12 → 2026-04-18
Repeat Infection Timeframe 2026-04-15 → 2026-04-28 (DoE + 13)
Meets LCBI 1 ✅ Yes
Meets LCBI 2 ❌ No
Meets CLABSI ✅ Yes (central line in place > 2 days at DoE)
MBI organism present — No
Meets CAUTI ✅ Yes (Foley + SUTI 1a)
Meets SUTI 1a ✅ Yes (urinary device + qualifying symptom + culture)
Meets SUTI 1b ❌ No
Foley attribution ✅ Foley in place > 2 days at DoE
Why this verdict (5 steps)
  1. Date of Event = 2026-04-15 (from case row).
  2. Admitted 2026-04-01 (HD 1) → DoE on HD 15 → onset = HO.
  3. Infection Window Period = 2026-04-12 to 2026-04-18; RIT = 2026-04-15 to 2026-04-28.
  4. Central line inserted 2026-04-13 → in place 3 calendar days on DoE → CLABSI attribution applies.
  5. Pseudomonas is a recognized Pathogen — a single positive blood culture is sufficient. **Meets LCBI 1.**

Patient & admission

Patient ref
SB-0505
Unit
1W
Admitted
2026-04-01
Discharged
— still admitted —
Age
8 y
Detected
2026-04-28T22:56:30.188Z

Discharge & validation

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Cultures, devices, and symptoms can be added as more lab results come in over the next few days.

Organisms

Set the collection date.

Cultures (2)

Type Collected Findings Status
+ urine 2026-04-15
  • >100,000 CFU/mL Pseudomonas aeruginosa
Context (non-BSI specimen)
+ blood 2026-04-22
  • Pseudomonas
Meets LCBI 1 (single positive recognized pathogen)

Devices (2)

DeviceInsertedRemoved
indwelling_urinary_catheter 2026-03-30 still in
central_line 2026-04-13 still in

Symptoms (2)

SymptomOnsetValueNotes
fever 2026-04-13 38.4 —
fever 2026-04-22 38.1 —

Hospital-day calendar

Visualizes admission, culture date(s), symptom onset, IWP and RIT windows. Particularly useful for long stays — scroll the table.

Admission (HD 1) Culture date (anchors the IWP) Date of Event (DoE) Infection Window Period (culture ± 3 d) Repeat Infection Timeframe (DoE through DoE + 13 d) Symptom onset
HDDateAdmissionCultureSymptomDoE IWP RIT
HD 12026-04-01🏥
HD 22026-04-02
HD 32026-04-03
HD 42026-04-04
HD 52026-04-05
HD 62026-04-06
HD 72026-04-07
HD 82026-04-08
HD 92026-04-09
HD 102026-04-10
HD 112026-04-11
HD 122026-04-12 ✓
HD 132026-04-13🌡️ ✓
HD 142026-04-14 ✓
HD 152026-04-15🧪 Culture🎯 DoE ✓ ✓
HD 162026-04-16 ✓ ✓
HD 172026-04-17 ✓ ✓
HD 182026-04-18 ✓ ✓
HD 192026-04-19 ✓
HD 202026-04-20 ✓
HD 212026-04-21 ✓
HD 222026-04-22🧪 Culture🌡️ ✓
HD 232026-04-23 ✓
HD 242026-04-24 ✓
HD 252026-04-25 ✓
HD 262026-04-26 ✓
HD 272026-04-27 ✓
HD 282026-04-28 ✓
HD 292026-04-29

The IWP (2026-04-12 to 2026-04-18) is anchored on the culture date per NHSN PSC Ch.2 — symptoms inside it count toward the surveillance criteria; symptoms outside don't. The Date of Event (DoE) is 2026-04-15 — the urine culture is the earliest criterion element (no qualifying symptom precedes it). The RIT (2026-04-15 to 2026-04-28) is the 14-day window during which no new event of the same type can be reported, anchored on DoE (DoE through DoE + 13).