Department
ICU / Critical Care
An intensive care unit generates more data per patient per hour than any other room in the hospital, and almost none of it reaches the record. The monitor knows, the ventilator knows, the pump knows, and the chart is written by hand from all three.
The machines around a critical care bed already know what is happening. The record learns it only when somebody writes it down, which makes a nurse the transcription layer between them.
Impact and action
The chart is transcribed by hand.
- Hourly observations are copied from the monitor onto a flowsheet, and the flowsheet is copied again into the notes. The nurse is doing clerical work at the bedside of the sickest patient in the building.The orophin bridge carries monitor, ventilator and pump output onto the record over one outbound connection, and Glyph holds the flowsheet as structured data rather than as a grid on paper.Glyph
- Scores are calculated on a calculator and written in a margin, so a trend across a week exists only if somebody plots it.Glyph carries the scoring form with its calculator built in, and Falcon reads the trend from the record rather than from a plot somebody drew.GlyphFalcon
Every alarm is the same alarm.
- The unit is loud with alarms that mean nothing, so the alarm that means something is silenced with the rest of them.Sentinel lets the unit define exactly when an alert should fire, groups related alerts so they are resolved as one, and escalates an unacknowledged alert up a chain of named people.SentinelRaven
- Whether anybody acted on a critical value is a question with no answer.Every alert carries its state: raised, seen, acknowledged, resolved, and by whom. The unit gets a history of how quickly it responds.Sentinel
The bed is negotiated by telephone.
- Casualty, the wards and the theatre each ring the unit to ask whether there is a bed, and the answer depends on who picks up.Nexus holds the unit's beds and equipment as part of the digital twin of the hospital, and Gate runs the census against it, so the answer is the same for everyone who asks.Gate
- Isolation status, ventilator dependence and infection precautions live in a nurse's handover rather than on the board.Those are properties of the visit and the bed, so the board that admissions reads carries them too.Gate
The bridge
How a machine reaches the record.
Critical care is where interoperability stops being an architecture question and becomes a nursing workload question.
Monitors, ventilators and infusion pumps hand their output to the orophin bridge on site, which matches each reading to the patient and the visit before it reaches Atlas. Atlas is the only tool that holds a patient's health information, and every other tool asks Atlas for it, which is why a bridged reading is a reading on the record rather than a second copy of the record.
Read how the bridge works.
The tools this department lives in.
Read top to bottom. Each tag is a tool inside Pensieve, and the line beside it is what that tool does at a critical care bedside.
| Tool | What it does in this department |
|---|---|
| Gate | The live census: admission, bed, isolation state, transfer in from casualty or theatre, and step-down to the ward. |
| Glyph | The flowsheet, the ventilator chart, the scoring forms with their calculators, and the daily goals record. |
| Sentinel | Rule-defined alerts on deterioration and critical values, grouped, escalated up a named chain, and closed with a state. |
| Quest | Hourly observations, drug infusions, turns, line care and weaning steps as due tasks against the shift roster. |
| Forge | Infusions, blood products, imaging, cultures and cross-consultations placed once and tracked to completion. |
| Atlas | The single record every bridged reading, note, result and image lands on, under one permission check. |
| Vault | The running bill for a stay where the daily cost is the highest in the hospital, and the payer needs it daily. |
| Falcon | Occupancy, ventilator days, score trends, and how quickly alerts are being acknowledged. |
| Westron | The console for the device connections themselves: credentials, translation, traffic health and the forensic trail. |
Published research
What the literature already measured.
Findings about critical care, each with its study and a link. None of it is a Pensieve result.
- A review of monitor alarms reports that between 72 and 99 percent are false, and treats the desensitisation that follows as a patient safety hazard in its own right.Sendelbach S, Funk M. AACN Advanced Critical Care, 2013. The review treats alarm management as an organisational responsibility.
- A systematic review found intensive care infection incidence density in developing countries at roughly three times the figure reported in high income settings.Allegranzi B, Bagheri Nejad S, Combescure C, et al. The Lancet, 2011.
- After nine hospitals put the handover between clinical teams into one structured form, medical errors fell 23 percent and preventable adverse events fell 30 percent.Starmer AJ, Spector ND, Srivastava R, et al. New England Journal of Medicine, 2014. A critical care unit runs three handovers a day.
What intensive care pulls on, hour by hour.
The laboratory
Blood gases and cultures are ordered continuously and read urgently. The result lands on the record it was ordered from, and a critical value becomes an alert with an owner rather than a number on a printout.
The pharmacy
Infusions, antibiotics and controlled drugs move continuously in both directions. Each dose is a scheduled task against the order, so what was issued and what was given are the same record.
Biomedical engineering
A ventilator that is out of calibration is a clinical risk and an accreditation finding. Preventive maintenance runs as a schedule against the equipment register, and downtime is evidenced.
Infection control
Device days, bundle compliance and unit infection rates come out of the same record the unit is already keeping.
Consent
The two consents a unit takes daily.
Two things happen in a critical care unit that happen almost nowhere else, and both are consent questions.
- The family is asking for updates hourly. Raven sends them on approved templates, on the channel the family consented to, and logs sent, delivered, failed and read.
- Consent for a procedure on a sedated patient is taken from a next of kin. Glyph carries it as a signed, versioned form attached to the visit, readable later against the exact design that was signed.
Governance and security
The unit with the most machines and the least margin.
Intensive care is where the most data per patient is produced and where the least of it historically reaches the record. It is also where alarms are loudest and least trusted: published reviews put the share of monitor alarms that are false between 72 and 99 percent. Source 21 An alert that nobody believes is an alert that does no work, which is why an alert here has an owner and an escalation chain rather than a sound.
Device data arrives over one outbound connection.
The orophin bridge sits on site and opens one outbound connection to carry monitor, ventilator and pump data into the record. It asks for no inbound hole in the hospital firewall. Westron is the console: it manages the credentials, translates between formats, watches the traffic for problems, and keeps a forensic trail of every exchange.
The unit is inside the hospital twin.
Nexus holds the beds, the ventilators, the pumps and which of them is in use right now, so a device feed is attached to a bed that exists and a due task lands with the nurse actually on shift.
The record of who looked is part of the record.
An intensive care record attracts readers from outside the unit: the consultant on the phone, the family’s second opinion, the insurer’s auditor. Cirith can show who currently holds access to one patient’s record, and can simulate a permission change before it is made.
Interdepartmental
What the unit owes the rest of the hospital.
- The billing office.Intensive care room charges and non-intensive room charges are taxed differently in India, and consumables burn fastest here. Charges are captured at fulfilment, so the bed type and the consumable are on the bill because they happened.
- Infection control.Device-associated infection surveillance is built from what the unit already records rather than from a separate register kept by hand.
- Rehabilitation.Therapy started during ventilation changes what discharge looks like. [Source 28](/research#ref-early-mobilisation) The plan and its sessions run on the same record the unit works from.