CLABSI Candidate

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Rejected

Patient Information

Patient Name
Isabella Brown
MRN
NHSN599700
Location
-

Culture Information

Organism
Pseudomonas aeruginosa
Collected
01/16/2026 09:45
Source
Blood

CLABSI Details

Device Days 6
Line Site Right subclavian vein
Line Type Central Venous Catheter
Inserted 01/09/2026
Removed -

LLM Classifications

Not HAI 95.0% confidence 2026-01-17 22:27
Reasoning:

The clinical notes strongly suggest that the Pseudomonas aeruginosa bacteremia is secondary to ventilator-associated pneumonia. The presence of new right lower lobe consolidation on chest x-ray, positive respiratory cultures for the same organism, and the clinician's explicit statement attributing the bacteremia to the pulmonary source all point towards a non-CLABSI origin.

Alternative Source: ventilator-associated pneumonia
Supporting Evidence:
PROGRESS_NOTE - 2026-01-16
Patient with Pseudomonas aeruginosa bacteremia in setting of ventilator-associated pneumonia.
Directly states the patient has ventilator-associated pneumonia and links the bacteremia to this source.
PROGRESS_NOTE - 2026-01-16
Chest X-ray shows new right lower lobe consolidation.
Imaging finding consistent with pneumonia.
PROGRESS_NOTE - 2026-01-16
Respiratory cultures also growing Pseudomonas aeruginosa.
Confirms the same organism is present in both blood and respiratory cultures, further supporting a pulmonary source.
PROGRESS_NOTE - 2026-01-16
Blood cultures likely secondary to pulmonary source.
Explicit statement from the clinician attributing the bacteremia to the pneumonia.
Confidence: 95% Model: gemma2:27b Prompt: clabsi_v1
Not HAI 90.0% confidence 2026-01-17 22:03
Reasoning:

The clinical documentation clearly indicates that the patient has ventilator-associated pneumonia, with both imaging and microbiological evidence supporting this diagnosis. The presence of Pseudomonas aeruginosa in both blood and respiratory cultures strongly suggests that the BSI is secondary to the pulmonary infection, rather than a CLABSI.

Alternative Source: Pneumonia
Supporting Evidence:
PROGRESS_NOTE - 2026-01-16
Patient with Pseudomonas aeruginosa bacteremia in setting of ventilator-associated pneumonia.
Directly links the BSI to a pulmonary source
PROGRESS_NOTE - 2026-01-16
Chest X-ray shows new right lower lobe consolidation.
Imaging evidence of pneumonia, supporting alternative source
PROGRESS_NOTE - 2026-01-16
Respiratory cultures also growing Pseudomonas aeruginosa.
Microbiological evidence linking BSI to pulmonary source
Confidence: 90% Model: llama3.1:70b Prompt: clabsi_v1

NHSN Criteria Assessment

✓
Initial Screening Criteria

BSI with central line present >2 days

✓
LLM Classification

LLM review complete

✓
IP Review

Confirmed not HAI

Classification Complete

✗ Rejected - Not CLABSI

This candidate was determined not to be a CLABSI.

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