Nearly 25 million people attended A&E in 2018-19.
The redesigned ambulances will start serving patients on Monday.
Over half of the population say they find it hard to get a GP appointment.
This study follows on from work previous work suggesting that there is a ‘weekend effect’.
Self-harm is 'often a precursor to suicide'.
Sepsis kills five people every hour in the UK.
The national four-hour target has not been met since 2015.
A study suggests that levels of troponin vary depending on factors such as age, sex and whether an inpatient or outpatient.
Last month only two hospital trusts hit the target to see and treat 95% of patients within four hours.
In December, only 86.4% of patients were seen within the target.
The risk of misidentification is usually higher when several unidentified patients arrive together such as after an accident, or in mass casualty situations.