Shift handover with Gemini Enterprise: the CareShift AI case at a mid-sized hospital
Shift handover is one of the most sensitive points in patient safety. A Brazilian hospital reduced omissions by 62% with a Gemini Enterprise agent integrated into the medical record.
Fabiano Brito
CEO & Founder
18% → 6.8%
45 → 27 min
after audio TTS
41 → 74
Shift handover is the clinical moment where the most serious errors occur. The Joint Commission points to communication failures in up to 70% of sentinel adverse events. Notebook + verbal + WhatsApp dominate — and information is lost at every shift.
This case shows how Autenticare deployed an agent that does not replace the handover — it preserves and verifies it.
The starting point
- 240 beds, 6 inpatient units + adult ICU + pediatric ICU.
- 3 nursing shifts, ~80 nurses and 200 technicians per day.
- Manual handover (notebook + verbal) averaging 45 min per unit.
- Internal audit identified 18% of critical information omitted between shifts.
- Communication-related adverse events: 14 in the last year.
What the agent does (and does not do)
The agent does not decide — it presents and verifies. Clinical decisions remain 100% with the professional.
Architecture
- Gemini Enterprise Plus with Vertex AI Agent Builder.
- Vertex AI Search indexing: institutional protocols, medication manuals (Bulário), guidelines (CFM, COREN, medical societies).
- Dedicated connector to the electronic medical record via Apigee (TASY HL7 + MV REST).
- Tools: reading progress notes, prescriptions, vitals, labs; recording signatures; generating handover PDFs.
- Tablet app as PWA, integrated with the hospital's Workspace SSO.
- BigQuery for audit and quality analysis.
Results in 90 days
| Metric | Before | After | Delta |
|---|---|---|---|
| Critical clinical omissions | 18% | 6.8% | -62% |
| Average handover time | 45 min | 27 min | -40% |
| Communication adverse events (proj./year) | 14 | 5 | -64% |
| Nursing team NPS | 41 | 74 | +33 pts |
| Adoption (handovers with agent) | — | 96% | new |
| Nurse time with medical record | 22 min/shift | 9 min/shift | -59% |
The most important figure for clinical management was not time — it was the drop in adverse events. Every avoided event is a life preserved (and reduced legal exposure).
Healthcare governance: what needed to be ready
1. Ethical approval
The hospital's research ethics committee approved the use after reviewing the protocol. This does not replace CEP/CONEP for research, but is an institutional requirement.
2. Anonymization in logs
Operational logs contain no patient-identifiable data — only bed + event. Identification remains exclusively in the medical record.
3. DPIA focused on sensitive data
Health data is sensitive under Art. 11 of the LGPD. Detailed DPIA following our template — see DPIA for Gemini Enterprise projects.
4. CFM/COREN compliance
CFM Resolution No. 2.314/2022 and COREN on AI use in healthcare. Principles: AI as support, not substitute; final decision with humans; transparency to the patient where applicable.
5. Business continuity plan
Tablet without network or agent offline: handover reverts to the manual process without disruption. Periodic training maintains competency.
6. CCIH audit
Hospital Infection Control Committee validates that the agent alerts for isolations, contact precautions, and ongoing antibiotic therapy.
What we learned along the way
SBAR needed to be regional
The international model did not capture nuances of the Brazilian context (claim denials, insurance type, SUS/private status). We adapted it with the team over 4 cycles.
Audio changed adoption
Nurses with occupied hands (gowning, bed bathing) consume the summary by audio. Adoption rose from 78% to 96% after adding TTS.
Digital confirmation became culture
The digital signature created a sense of individual responsibility. It coincided with the drop in adverse events.
Physicians started using it
They were not the target audience. But after 6 weeks, on-call physicians requested access for quick rounds. A natural expansion.
The agent did not replace nurses — it returned 13 minutes of medical record time per shift so nurses could be with the patient. That, multiplied by 80 professionals and 3 shifts, is an entire team back at the bedside.
Want to replicate these numbers at your institution?
The CareShift standard applies to any hospital with an electronic medical record (TASY, MV, Soul MV, Pixeon, Cerner). Implementation: 60-90 days for the first unit, 30 days per additional unit. Includes DPIA, CCIH, business continuity plan.
