Former Health Minister Michael Ferguson says he cannot recall the case of a Turners Beach man who was sent home from the Launceston General Hospital two years ago without adequate checks, only to die a day later.
ABC program Four Corners presented an expose on failures within regional hospitals on Monday night and aired the story of John Novaski, who died in October 2017 after he presented to the LGH with heart problems.
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The 76-year-old waited more than five hours in the emergency department before he was assessed by a medical student in a waiting room chair and sent home.
He was found dead on the floor in his home by his wife the next day.
The handling of the matter criticised by Coroner Rod Chandler this year who said the decision to let Mr Novaski leave the hospital before he was reviewed by a cardiologist was a "serious and hard to believe misjudgment".
Mr Ferguson told media on Tuesday morning he was not aware of the case.
"If ever there are human errors made at the delivery of health care, the health system needs to learn from that," he said.
Labor and the Greens attacked the government over Mr Novaski's case in Question Time.
Labor leader Rebecca White said the case was one of 13 patient-care cases that had attracted criticism in coronial investigations over the past two years.
In a statement, Health Minister Sarah Courtney said a case review had been undertaken at the LGH in 2017, as part of a clinician-led process to ensure system issues were identified and addressed.
"I am advised that a number of improvements have been made since that time, including revised arrangements for sign-off of ECGs, and increased numbers of senior emergency department staff," she said.
"A chest pain clinical pathway has been developed and introduced statewide this year."
Premier Will Hodgman said all coroner reports were taken seriously.
"We always seek to learn and improve," he said.
Greens leader Cassy O'Connor said the underfunding and under-resourcing of the state's health system had been aired to a national audience.
Australian Nursing and Midwifery Federation Tasmania executive director Andrew Brakey said the failures were not a refection of frontline staff, but rather a health system in crisis.
"We are not surprised by what has come to light over the last 24 hours," he said.
"We have been telling the government for months that this is going to be, and is an issue on our emergency departments across the state.
"Staff are under an incredible amount of stress and that is leading to poorer patient outcomes, due to longer stays in the emergency department. This is not an isolated incident just to the LGH."
Without increased funding, Mr Brakey said it was likely adverse incidents would continue to occur in Tasmanian hospitals.