An inquest heard Eileen Badge, of Woodlands Drive, Hawarden, had in 1999 undergone an operation to repair a hole in the heart and made a good recovery.
In 2003, she had a further operation to fit a pacemaker.
Her son, Neil Badge, told yesterda
y's hearing at Flint: "Her life carried on to a good standard. There'd be the odd loss of breath but I don't know if it was a result of having the pacemaker. She was very meticulous about taking her medicine."
Mrs Badge felt the medication affected her breath and regularly brushed her teeth with an expensive brush and used mouthwash.
She chewed gum about once a day and if she was going out to a function.
On June 5 Mr Badge, who lived at home, arrived home from work at 4.20pm and talked to his mother while she was ironing in the living room. He then went for a bath and heard the phone ring.
After a while, he heard a bang and rushed to investigate, finding his mother unconscious and not breathing. He called an ambulance and tried to resuscitate her.
When the ambulance arrived, a paramedic also tried unsuccessfully to revive Mrs Badge.
The youngest of 11 children, Mrs Badge was born and educated in Chester. She leaves her husband Ron and children Vicky, Catherine and Neil.
Recording a verdict of accidental death, deputy North East Wales coroner John Gittins said the case showed how fragile life could be on occasions when someone could go from being a comparatively healthy 60-year-old female to collapsing and dying.
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