Postmortem examinations have found that a patient died of acute heart failure after being treated at Basildon Hospital Trust. The trust has said it is sorry that Philip Harvey's family is unhappy with the care he received.
A spokesperson said:
We offer our condolences to the family of Mr Phil Harvey for their sad loss and we are sorry they are unhappy with the care he received in this hospital.
Senior doctors and managers have met with Mr Harveys family and the Trust sent the family a written response to try to address their concerns.
The matter is now in the hands of the Ombudsman and we have provided all the information they have requested and are awaiting the outcome of their investigation.
More top news
The one-year-old Yorkshire Terrier was attacked and killed while being taken for a walk.
The lifeboat crew carried the pair into their boat and dropped them off back at Tower Bridge as people watched from the riverside.
The huge painting took two graffiti artists thousands of hours to complete in east London.