A Prestatyn GP says healthcare in North Wales is "horrendously pressurised at the minute" and fears for patients safety..
"We are also seeing a high number of patients suffering from the flu this winter".
Of the four trusts, the poorest performing was East Kent Hospitals University Foundation NHS Trust, which is responsible for the William Harvey Hospital, the Kent and Canterbury hospital and the Queen Elizabeth Queen Mary hospital in Thanet.
The HSCB apologised to patients and their families for the "upset and inconvenience" caused by the long waits.
It means the system is under severe pressure and is unable to deliver certain actions and comprehensive emergency care.
By Tuesday night, 12 different NHS trusts, or branches, said they had reached the maximum state of emergency, including two ambulance services covering nearly nine million people.
Just before New Year, Karen Kay, Urgent and Emergency Care Executive Lead for Cornwall and the Isles of Scilly, said: "Our urgent and emergency care system is under considerable pressure at the moment".
British Prime Minister Theresa May apologized on Thursday to the patients whose operations were canceled, calling the situation "frustrating". They include deferring all elective surgeries until February, allowing hospitals to open mixed-sex wards, and turning prospective emergency-room patients away if they are not seriously ill. Whatever the remedy, it is clear our health service is ailing and needs help.
This comes as NHS's National Emergency Pressures Panel (NEPP) met on Tuesday, and said the health service had been under "sustained pressure" over the Christmas period, because of the increase of flu, high levels of respiratory illness, and high bed occupancy levels.
The organisation warned that those with "less urgent conditions" would have to wait longer.
"This winter has been better planned for than any previous winter but I recognise there will be those who have been delayed on admission to hospital, or who've had their operations postponed, we will want to ensure that those operations can be reinstated as soon as possible".
Representing the HSCB, Seamus O'Reilly, medical director of the Northern Trust, told BBC Radio Ulster's Evening Extra programme: "It's not minor complaints that are clogging up our departments - it is genuinely sick elderly patients".
'There were people in our corridors for eight hours before we could see them.
Chief executive of the Royal College of Nursing (RCN) Janet Davies said: "Today's figures show that nearly every day last week, NHS hospitals in England were at bursting point, with over 90 per cent of beds being used".
Roseanne Crossey, the trust's head of business development and planning, said: "We are where we expected to be at this busy time of year".
Each winter the pressure on the NHS worsens and politicians are not taking the long-term view needed to ensure the NHS can keep up with rising demand.
The trained first aiders were deployed to the Royal Berkshire Hospital on the same day it appealed on Facebook for off-duty staff to come in to work.