Mobile apps to track patients' health are keeping them out of hospital and could cut waiting times, experts have said.
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It follows a trial of a new app which heart patients are using through their mobile phones.
The trial allows clinicians to change treatments quickly and uses video consultations, avoiding unnecessary hospital visits.
One 80-year-old patient using the app, said it was "brilliant".
In March, Alun Morgan was told he had heart failure and doctors said stress could be a factor.

A daily check up without leaving the houseHe was placed on the trial to log his weight, blood pressure and the oxygen levels from the comfort of his home.
"I now appreciate four months on just how many trips to hospital it's saved me," the grandfather of seven said.
"As far as I'm concerned I'm on a daily check up without having to move from the house, which is brilliant.
"If I've got a problem they'll ring me up and say 'look, I'm not happy with that blood pressure reading, can you do it again in an hour'.
The former banker said he finds the technology easy to use, but knows he can call on relatives should he need help.

'Keep them living longer'Mandie Welch, lead heart failure advanced nurse practitioner at Cwm Taf Morgannwg University Health Board, said the technology has already "facilitated the early discharge of patients from cardiac care units".
She added that it: "Allowed us to quickly see the difference medications are making to heart rates and blood pressure.
"Crucially, patients told us that they feel better supported, and having the ability to track their own progress is helping to reassure them and better manage their conditions.
"We've already gone to a patient's home within a day to give them high dose water tablets to get rid of their fluid so they don't come to A&E, and the only reason we know that is because their weight has shot up on the app, and their heart rate has shot up, their symptoms are worse.