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Minutium / M0 cardiac rescue system

How the system works.

Minutium is building a prescribed cardiac rescue system that detects a concerning cardiac event, prepares an immediate clinical response, and eventually enables treatment before the patient reaches the hospital.

Open the clinician consoleResearch prototype. Not for clinical use.

The timing problem

Heart muscle does not wait for the ambulance.

A blocked coronary artery can begin damaging heart muscle while the patient is still recognizing symptoms, calling for help, waiting for transport, and reaching the catheterization lab. Almost every layer of our response is built for the end of that interval.

The interval

Muscle is being lost across all of it

  1. Occlusion

    Blood flow to a region of myocardium is interrupted.

  2. Recognition

    Symptoms are noticed, doubted, and eventually taken seriously.

  3. Call

    Emergency services are contacted.

  4. Transport

    Dispatch, travel, and handover.

  5. Cath lab

    Definitive reperfusion begins.

Every layer of cardiac rescue we have built as a society sits at the right-hand end of this bar. Minutium is trying to put the first one at the left.

Minute zero

We cannot place a catheterization lab in every home. We can move the first layer of cardiac rescue closer to the patient.

The M0 system

Sense. Interpret. Act.

M0 is a pocket-sized flexible chest device a patient applies when symptoms begin. Four steps, designed so the patient never has to interpret anything themselves.

  1. 01

    Apply

    The patient peels M0 from its case and places it on the chest when symptoms begin. One piece, no leads to position, no training required in the moment.

  2. 02

    Measure

    The device acquires a multi-lead ECG and checks its own electrode contact before it trusts a single sample.

  3. 03

    Interpret

    A specialised physiological model reads the trace against population patterns and the patient's own stored baseline, and returns a calibrated probability with its uncertainty.

  4. 04

    Activate care

    The trace, the baseline comparison, the assessment and the patient's history are packaged and sent ahead to an on-call clinician, to responders, and to the receiving hospital.

Hardware

Thin enough to carry, rigid enough to trust.

A flexible substrate that conforms to the chest, a rigid-flex sensing front end, and an enclosure a patient will actually keep in a pocket. Industrial design and board bring-up are in development.

Renders in progress

CAD render coming here

M0 enclosure, three-quarter view

public/m0/ · see docs/ASSET_REPLACEMENT.md

Enclosure — the object a patient carries and applies.

CAD render coming here

M0 exploded assembly

public/m0/ · see docs/ASSET_REPLACEMENT.md

Exploded assembly — substrate, sensing front end, battery, enclosure.

PCB render coming here

M0 flexible PCB

public/m0/ · see docs/ASSET_REPLACEMENT.md

Flexible PCB — analog front end, acquisition, and power.

CAD render coming here

M0 applied to the chest

public/m0/ · see docs/ASSET_REPLACEMENT.md

On-body placement — one piece, no lead positioning in the moment.

Personalized physiology

Your cardiac baseline, not only the population average.

A twelve-lead ECG is only meaningful relative to something. M0 is intended to compare the current recording against both population-level patterns and the individual patient’s own longitudinal cardiac baseline, so a trace that looks unremarkable in isolation can still register as a change for that person.

This matters most for the patients M0 would be prescribed to: people with prior infarction, stents, or conduction abnormalities, whose baseline already departs from the textbook.

  • Population reference

    A calibrated classifier trained on retrospective public 12-lead ECG data and evaluated on patients it never saw during training.

  • Individual reference

    Lead-level deviation between the current recording and the patient's stored baseline, reported as interpretable per-lead differences rather than one opaque number.

  • Uncertainty, stated

    Every assessment carries an interval and a calibration record. A model that cannot say how sure it is has no business in a rescue pathway.

Intelligence in a physical system

From physiological signal to coordinated care.

The hardware perceives the body. The model interprets the signal. The care network acts. That is the whole claim, and each of those three layers is a separate engineering problem with its own failure modes.

Perceive

The hardware perceives the body

Electrode contact, signal quality, and acquisition are hardware problems. No model recovers a trace the front end never captured cleanly.

Interpret

The model interprets the signal

A specialised physiological model, trained and evaluated on ECG waveforms, returning calibrated probabilities with uncertainty. Narrow on purpose.

Act

The care network acts

Software routes the trace, the baseline comparison, and the assessment to a clinician and to responders, with a human holding authorization.

The closed loop

Preserve more of the heart before definitive care arrives.

Long term, the diagnostic system would gate a companion prescribed rescue injector carrying an approved rapid antiplatelet or cardioprotective therapy. Minutium is not trying to replace PCI or the catheterization lab. It is trying to protect muscle during the interval before definitive treatment is available.

  1. 01Built in this prototype

    M0 sensing device

    Multi-lead ECG, contact check, on-device signal quality.

  2. 02Built in this prototype

    Physiological model

    Calibrated probability, uncertainty, baseline deviation.

  3. 03Simulated in this demo

    On-call clinician

    Reviews trace, baseline, and assessment. Holds authorization.

  4. 04Simulated in this demo

    EMS and receiving hospital

    Packet sent ahead so the cardiac team can prepare.

  5. 05Future investigational module

    Prescribed rescue module

    Gated by the diagnostic system and clinician authorization.

    Clinician authorization required · no active drug delivery

The precedent

The EpiPen moved the first treatment for anaphylaxis into the patient’s hands.

Minutium wants to enable the same shift for heart attacks.

The closed loop

Preserve more of the heart before definitive care arrives.

Long term, the diagnostic system would gate a companion prescribed rescue injector carrying an approved rapid antiplatelet or cardioprotective therapy. Minutium is not trying to replace PCI or the catheterization lab. It is trying to protect muscle during the interval before definitive treatment is available.

  1. 01Built in this prototype

    M0 sensing device

    Multi-lead ECG, contact check, on-device signal quality.

  2. 02Built in this prototype

    Physiological model

    Calibrated probability, uncertainty, baseline deviation.

  3. 03Simulated in this demo

    On-call clinician

    Reviews trace, baseline, and assessment. Holds authorization.

  4. 04Simulated in this demo

    EMS and receiving hospital

    Packet sent ahead so the cardiac team can prepare.

  5. 05Future investigational module

    Prescribed rescue module

    Gated by the diagnostic system and clinician authorization.

    Clinician authorization required · no active drug delivery

The precedent

The EpiPen moved the first treatment for anaphylaxis into the patient’s hands.

Minutium wants to enable the same shift for heart attacks.

The closed loop

Preserve more of the heart before definitive care arrives.

Long term, the diagnostic system would gate a companion prescribed rescue injector carrying an approved rapid antiplatelet or cardioprotective therapy. Minutium is not trying to replace PCI or the catheterization lab. It is trying to protect muscle during the interval before definitive treatment is available.

  1. 01Built in this prototype

    M0 sensing device

    Multi-lead ECG, contact check, on-device signal quality.

  2. 02Built in this prototype

    Physiological model

    Calibrated probability, uncertainty, baseline deviation.

  3. 03Simulated in this demo

    On-call clinician

    Reviews trace, baseline, and assessment. Holds authorization.

  4. 04Simulated in this demo

    EMS and receiving hospital

    Packet sent ahead so the cardiac team can prepare.

  5. 05Future investigational module

    Prescribed rescue module

    Gated by the diagnostic system and clinician authorization.

    Clinician authorization required · no active drug delivery

The precedent

The EpiPen moved the first treatment for anaphylaxis into the patient’s hands.

Minutium wants to enable the same shift for heart attacks.

The closed loop

Preserve more of the heart before definitive care arrives.

Long term, the diagnostic system would gate a companion prescribed rescue injector carrying an approved rapid antiplatelet or cardioprotective therapy. Minutium is not trying to replace PCI or the catheterization lab. It is trying to protect muscle during the interval before definitive treatment is available.

  1. 01Built in this prototype

    M0 sensing device

    Multi-lead ECG, contact check, on-device signal quality.

  2. 02Built in this prototype

    Physiological model

    Calibrated probability, uncertainty, baseline deviation.

  3. 03Simulated in this demo

    On-call clinician

    Reviews trace, baseline, and assessment. Holds authorization.

  4. 04Simulated in this demo

    EMS and receiving hospital

    Packet sent ahead so the cardiac team can prepare.

  5. 05Future investigational module

    Prescribed rescue module

    Gated by the diagnostic system and clinician authorization.

    Clinician authorization required · no active drug delivery

The precedent

The EpiPen moved the first treatment for anaphylaxis into the patient’s hands.

Minutium wants to enable the same shift for heart attacks.

Minutium will not be another device that only tells someone something is wrong.

We are building the system that makes care begin the moment something goes wrong.

Enter the M0 demoResearch prototype. Not for clinical use.