Source · Prevention of Future Deaths

Summer Mant

Ref: 2026-0118 Date: 27 Feb 2026 Coroner: Rachel Knight Area: South Wales Central Responses identified: 3 / 10 View PDF

A delay in obtaining adrenaline during resuscitation occurred due to non-standardised paediatric crash trolleys across hospitals, hindering junior doctors in a time-critical situation.

Date 27 Feb 2026
56-day deadline 24 Apr 2026 est.
Responses identified 3 of 10
Child Death (from 2015) Wales prevention of future deaths reports (2019 onwards)

Coroner's concerns

AI summary
A delay in obtaining adrenaline during resuscitation occurred due to non-standardised paediatric crash trolleys across hospitals, hindering junior doctors in a time-critical situation.
View full coroner's concerns
During the resuscitation of Summer at Prince Charles Hospital in theatre following intubation, there was a delay in obtaining adrenaline. The incident occurred at night and it involved a skeleton staff including some junior doctors, fairly new to the hospital. The delay in finding adrenaline, was likely due to the fact that there is no standardised crash trolley, and junior doctors frequently rotate between hospitals and health boards and encounter different set-ups. Paediatric crash trolleys are necessarily different to adult crash trolleys, but there was consensus in evidence that it would be safer if there was a single standardised version of each type across every hospital setting in which junior doctors rotate, to minimise confusion at a time critical moment.

Responses

3 respondents
Betsi Cadwaladr University Health Board NHS / Health Body
27 Feb 2026 PDF
Action Taken

Betsi Cadwaladr University Health Board has reviewed its local arrangements, updated its Resuscitation Policy to strengthen expectations for equipment and layout, and implemented visual guidance tools and training to promote staff familiarity with existing standardised crash trolleys. (AI summary)

View full response
Dear Ms Knight,

Inquest into the death of Summer Rae Mant

Thank you for your Report to Prevent Future Deaths dated 27 February 2026, issued following the inquest into the death of Summer Rae Mant.

The Health Board wishes to express its sincere condolences to Summer’s family.

While this case did not involve services provided by Betsi Cadwaladr University Health Board, we have nonetheless considered the matters raised carefully and have treated the report as an important opportunity for shared learning across our Health Board and NHS Wales.

The Health Board has given detailed consideration to the concerns raised. This has included senior clinical review and direct consideration by our Resuscitation Service, together with discussion with pharmacy and medicines management colleagues and consideration of the wider national position.

We recognise the concern that variation in resuscitation trolley configuration may contribute to delays in accessing critical medicines, particularly in time‑critical situations involving staff who are unfamiliar with local arrangements.

By way of context, the Health Board has had standardised cardiac arrest trolleys in place across its acute hospital sites for a number of years, aligned to the Resuscitation Council UK standards for equipment and drug lists. These arrangements are supported through established governance processes, including local resuscitation and medicines management arrangements.

As part of our considerations, we have also taken account of work undertaken at an all‑Wales level through the Welsh Resuscitation Forum and associated professional groups. This work has confirmed both the degree of variation that exists across organisations and the practical challenges associated with full standardisation of resuscitation trolleys in different clinical settings.

This work has also highlighted the importance of human factors, including staff familiarity with local equipment, particularly in time‑critical events and where staff rotate between organisations.

In North Wales, this consideration is particularly relevant. The Health Board’s workforce includes clinicians and trainees rotating not only across Welsh organisations but also through links with both the Bangor and Mersey deaneries. This means that staff may be accustomed to a wider Ein cyf / Our ref: Eichcyf / Your ref: Dyddiad / Date: 26 June 2026 Rachel Knight HM Coroner for South Wales Central The Coroner’s Office The Old Courthouse Courthouse Street Pontypridd CF37 1JW Bloc 5, Llys Carlton, Parc BusnesLlanelwy, Llanelwy, LL17 0JG
---------------------------------- Block 5, Carlton Court, St Asaph Business Park, St Asaph, LL17 0JG

range of equipment configurations across both Wales and north‑west England, and reinforces the importance of local familiarity, induction and clear system design rather than reliance on a single national configuration.

The Health Board’s Resuscitation Service has been actively engaged in national discussions and has contributed to consideration of potential approaches to improving consistency, particularly in relation to the availability and location of essential resuscitation drugs.

In response to the concerns raised, the Health Board can confirm the following:

• A standardised approach to resuscitation trolleys and drug provision is in place across our acute sites, aligned to national standards;
• Local arrangements have been reviewed by our Resuscitation Service and relevant clinical leads in light of the issues identified;
• The Health Board is engaged in national work to explore opportunities for greater consistency, particularly in relation to the availability and presentation of core resuscitation drugs;
• The Health Board has recently updated its Resuscitation Policy, which includes strengthened expectations in relation to the checking, stocking and layout of resuscitation equipment; and
• Supporting practical measures are in place to promote staff familiarity with equipment, including visual guidance tools (“My Kit Check”) to assist staff in understanding the contents and layout of resuscitation trolleys, alongside local induction, training and checking processes within clinical areas.

In considering further action, the Health Board supports the principle of improving consistency in the availability and location of key resuscitation drugs. However, consistent with the national work undertaken to date, we consider that full standardisation of resuscitation trolley configuration across all settings will be difficult in practice and may not address all of the contributory factors identified particularly given our need to work the NHS in north‑west England.

The Health Board will continue to contribute to the national programme of work to identify as evidence‑based approach, while maintaining safe and effective local arrangements, with particular focus on supporting staff familiarity and safe access to essential drugs in emergency situations.

We trust this response provides assurance that the concerns identified have been carefully considered and that the Health Board has robust local arrangements, whilst assuring that further action has been taken and is being progressed in collaboration with partners across NHS Wales.
Cwm Taf Morgannwg University Health Board NHS / Health Body
25 Jun 2026 PDF
Action Taken

Cwm Taf Morgannwg University Health Board has established a multidisciplinary task group, completed a pilot of newly designed standardised crash trolleys, and strengthened training and induction arrangements for medical staff, including interim measures for resuscitation trolley orientation. (AI summary)

View full response
Dear Miss Knight,

Regulation 28: Report to prevent Future Deaths - Inquest into the death of Summer Rae Mant

Thank you for your Regulation 28 Report issued following the inquest into the death of Summer Rae Mant.

On behalf of Cwm Taf Morgannwg University Health Board (CTMUHB), I would like to express our sincere condolences to Summer’s family. We are grateful to you for identifying matters of concern arising from the evidence heard at inquest and for the opportunity to set out the actions taken and planned in response.

The Health Board acknowledges the concerns raised in relation to a delay in obtaining adrenaline during resuscitation, variation in crash trolley layout and design and the risk posed by inconsistent systems for rotational junior doctors.

It is further acknowledged that the Health Board accepts that variation in the visual layout and accessibility of resuscitation equipment presents a human factors risk, particularly in time-critical emergency situations.

The Health Board has actively contributed to the Welsh Government-led All-Wales response to this Regulation 28 report, recognising the importance of a consistent national approach to patient safety improvement.

Cyfeiriad Dychwelyd/ Return Address: Bwrdd Iechyd Prifysgol Cwm Taf Morgannwg Pencadlys Parc Navigation, Abercynon CF45 4SN

Cwm Taf Morgannwg University Health Board Headquarters Navigation Park Abercynon CF45 4SN

Croeso i chi gyfathrebu â’r bwrdd iechyd yn y Gymraeg neu'r Saesneg. Byddwn yn ymateb yn yr un iaith a ni fydd hyn yn arwain at oedi. You are welcome to correspond with the Health Board in Welsh or English. We will respond accordingly and this will not delay the response.

In addition, following receipt of the Regulation 28 report, the Health Board established a multidisciplinary Task and Finish Group to oversee the local response and provide assurance of delivery. This group includes representation from resuscitation services, pharmacy, clinical services and clinical education.

The group has:  Developed and is overseeing delivery of a comprehensive Action Plan  Ensured actions are clinically informed and aligned to human factors principles  Provided coordinated oversight across all relevant services and sites  Established a clear mechanism for monitoring progress and evidencing assurance

The Action Plan is being used as the Health Board’s live assurance document and is supported by regular oversight through Patient Safety and Legal Services governance arrangements, including scheduled follow-up meetings to monitor progress and delivery.

The Health Board has undertaken a comprehensive review of resuscitation trolley arrangements across all acute hospital sites. This confirmed that whilst the contents of cardiac arrest drug trays are standardised in line with Resuscitation Council guidance, there remained variation in visual layout and presentation, particularly at Princess of Wales Hospital (POW), which presents a recognised human factors risk in time-critical situations. In response, immediate action has been taken to align POW paediatric resuscitation trolleys with the established model used at Prince Charles Hospital and Royal Glamorgan Hospital. This includes the removal of red paediatric drug boxes and the introduction of a clear tray system to improve visibility and rapid access to emergency medication. Implementation is being supported through a structured rollout programme, including ward-based engagement, communication and standardised visual guidance materials.

This programme of standardisation is being delivered in a phased and clinically led manner and extends beyond paediatric areas. Neonatal resuscitation arrangements, recognised as requiring a distinct approach, have been reviewed, with minor inconsistencies identified and actions agreed to ensure alignment across sites. In addition, all clinical environments where a resuscitation event may occur including wards, theatres, emergency departments and specialist services are being incorporated within the scope of this work to ensure consistency and reduce variation across the Health Board

In parallel, a review of medicines governance identified inconsistencies between Pharmacy Standard Operating Procedures and the overarching Resuscitation Policy, particularly in relation to roles and responsibilities for checking, replenishment and expiry monitoring.

Croeso i chi gyfathrebu â’r bwrdd iechyd yn y Gymraeg neu'r Saesneg. Byddwn yn ymateb yn yr un iaith a ni fydd hyn yn arwain at oedi. You are welcome to correspond with the Health Board in Welsh or English. We will respond accordingly and this will not delay the response.

These risks have been addressed through clear delineation of responsibilities, with nursing teams responsible for daily checks of resuscitation trolleys and Pharmacy responsible for ongoing stock management and expiry control. Work is underway to rationalise and align all relevant policies and SOPs, ensuring that a single, current and consistent set of guidance is available across the organisation, supported by appropriate document control arrangements.

The Health Board has also strengthened training and induction arrangements to address human factors risks associated with staff unfamiliarity. Whilst nursing staff already receive resuscitation trolley orientation as part of induction and mandatory training, gaps were identified within medical induction, particularly for rotational and out-of-hours staff. In response, work is underway with Medical Education to embed resuscitation trolley orientation within formal induction programmes for all incoming medical staff. Interim arrangements have been introduced to provide immediate assurance, alongside the development of updated training resources, including visual guides and instructional materials, to support consistent staff familiarisation with the standardised trolley layout.

The Health Board recognises the seriousness of the concerns raised and is committed to ensuring that robust, standardised systems are in place to support safe and effective emergency care.

Significant progress has already been made, with strong governance arrangements now in place to oversee delivery and ensure sustained improvement.

We hope this response provides assurance that appropriate and proportionate action is being taken to mitigate the risks identified and prevent future deaths.

If you require further information please liaise with , Lead for Legal Services who will be able to assist.
Department for Health and Social Care Central Government
26 Jun 2026 PDF
Action Planned

The Welsh Government will convene a group of resuscitation experts to review crash trolley contents, undertake work to reduce variation in trolley layout for adults and paediatrics, and collaborate on nationally procuring standardised products and agreed layouts for all health boards and trusts. (AI summary)

View full response
Dear Ms Knight

Regulation 28 Prevention of Future Deaths report – Summer Rae Mant (deceased)

Thank you for your correspondence of 27 February, addressed to my predecessor, enclosing a Regulation 28 Prevention of Future Deaths report following the inquest into the death of Summer Rae Mant. I would like to express my sincere condolences to Summer’s family. I recognise that this has been an incredibly difficult time, and my thoughts remain with them. It is my clear expectation that healthcare professionals working within the NHS provide high- quality care in line with the standards expected of their respective professions. It is deeply concerning when care falls below those standards. Where harm occurs, I expect the NHS to learn from these events and take action to prevent recurrence. Regulation 28 reports are a vital part of this process. I note your response was also addressed to the Chief Executives of all health boards and Velindre University NHS Trust, and am therefore providing a joint response, as supported in your report. I have carefully considered the matters of concern you raised, in particular the delay in obtaining adrenaline from a crash trolley at Prince Charles Hospital, Merthyr Tydfil, which was identified as a contributory factor.

My officials have worked with NHS Wales Performance and Improvement (NHSWP&I) to assess current arrangements across NHS Wales in relation to crash trolley standardisation. This work found that the contents of all resuscitation trolleys and boxes across Wales are aligned to the Resuscitation Council UK Guidelines Quality Standards: Acute care equipment

and drug lists | Resuscitation Council UK, which alongside a requirement to have a standardised list of medicines which are always available, allows for the specific availability of equipment and drugs to be determined locally.

The Welsh Government will require NHSP&I to convene a group of resuscitation experts from Wales to review whether any medicines other than those on the Resuscitation Council UK’s standard list should be available on all crash trolleys in hospitals. The group will undertake work to reduce variation in crash trolley layout for both adults and paediatrics, ensuring adherence to Resuscitation Council UK guidelines. This group will also work with the All Wales Drug Contracting Committee to select the most appropriate preparation of each these medicines to be stocked on crash trolleys and ensure they are all available to all health boards and trusts through a single all-Wales contract with suppliers. This will ensure standardised packaging and branding of products on crash trolleys for any products where this is not already the case. This approach will ensure that procurement decisions take account not only of cost but also human factors that may influence usability in emergency situations, alongside safety, standardisation, and supply chain resilience. The Welsh Government will direct health boards and trusts to only use nationally procured standardised products on crash trolleys and follow the agreed layout. I trust this response demonstrates the seriousness with which we consider reports to prevent future deaths, and our commitment to working collaboratively with NHS organisations and professional groups to reduce the risk of avoidable patient harm.

Report sections

Investigation and inquest
On 26th February 2026, I concluded an inquest into the death of SUMMER RAE MANT. I reached a narrative conclusion as follows:

Summer Rae Mant was born with MIRAGE syndrome which amongst other things, impacted her ability to fight infections. She developed a severe infection and virus and whilst an inpatient at Prince Charles Hospital Merthyr Tydfil on 17th March 2024, reached the ceiling of ward-based care. During an attempt to switch between high flow nasal oxygen and the CPAP machine on 18th March, there was a rapid desaturation which led to a period of hypoxia and a cardiac arrest. Following this, there was a further arrest during intubation, with another period of hypoxia of up to 8 minutes duration. These events of 17th and 18th March likely led to an irreversible hypoxic brain injury. Summer was transferred to PICU in Bristol and subsequently Cardiff, but never made any meaningful recovery. Aged 4, she developed a sudden multi-organ failure in mid-September 2024, with an uncertain cause. Sadly, her condition worsened, and a decision was made to provide palliative care and she died at Ty Hafan on 21st September 2024.

Although there were missed opportunities and sub-optimal care around the time of the acute desaturation on 17th and 18th March 2024, it was impossible to ascertain the precise contribution of the various factors, in the context of Summer’s MIRAGE syndrome and compromised immune system. The development of the multi-organ failure which directly led to death was likely multi-factorial in nature.

Her cause of death was: 1a Unexplained multi-organ failure in a 4 year old child with MIRAGE syndrome, following a prolonged inpatient stay due to an acquired brain injury from March 2024 following a period of hypoxia whilst being treated for parainfluenza virus and a superadded chest infection.

Phone/Ffôn (01443) 281100 Fax/Ffacs (01443) 485862
Circumstances of the death
The Inquest focused upon:-

a. The events of 17th and 18th March; and
b. Summer’s cause of death .
Inquest conclusion
Summer Rae Mant was born with MIRAGE syndrome which amongst other things, impacted her ability to fight infections. She developed a severe infection and virus and whilst an inpatient at Prince Charles Hospital Merthyr Tydfil on 17th March 2024, reached the ceiling of ward-based care. During an attempt to switch between high flow nasal oxygen and the CPAP machine on 18th March, there was a rapid desaturation which led to a period of hypoxia and a cardiac arrest. Following this, there was a further arrest during intubation, with another period of hypoxia of up to 8 minutes duration. These events of 17th and 18th March likely led to an irreversible hypoxic brain injury. Summer was transferred to PICU in Bristol and subsequently Cardiff, but never made any meaningful recovery. Aged 4, she developed a sudden multi-organ failure in mid-September 2024, with an uncertain cause. Sadly, her condition worsened, and a decision was made to provide palliative care and she died at Ty Hafan on 21st September 2024.

Although there were missed opportunities and sub-optimal care around the time of the acute desaturation on 17th and 18th March 2024, it was impossible to ascertain the precise contribution of the various factors, in the context of Summer’s MIRAGE syndrome and compromised immune system. The development of the multi-organ failure which directly led to death was likely multi-factorial in nature.

Her cause of death was: 1a Unexplained multi-organ failure in a 4 year old child with MIRAGE syndrome, following a prolonged inpatient stay due to an acquired brain injury from March 2024 following a period of hypoxia whilst being treated for parainfluenza virus and a superadded chest infection.

Phone/Ffôn (01443) 281100 Fax/Ffacs (01443) 485862

Similar PFD reports

Shared signals

Report details

Reference
2026-0118
Date of report
27 February 2026
Coroner
Rachel Knight
Coroner area
South Wales Central

Responses identified

Responses identified 3 of 10
All listed responses identified

Organisations named in PFD reports are normally expected to respond within 56 days. Deadline: 24 Apr 2026 (estimated).

Sent to

Aneurin Bevan University Health Board
Betsi Cadwaladr University Health Board
Cabinet Secretary for Health and Social Care
Cardiff & Vale University Health Board
Cwm Taf Morgannwg University Health
Department of Health and Social Care
Hywel Dda University Health Board
Powys Teaching Health Board
Swansea Bay University Health Board
Velindre University NHS Trust

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