The latest heart screenings by Craig's Heartstrong Foundation were blighted by no-shows.
Organisers are frustrated by what happened at the weekend, as there were others who could have filled those slots.
Paula Lunt of the foundation told John Moss how many had failed to show up on the Saturday:
'Unnecessary' delays left electricity customer in limbo
Manx Utilities classifies all pensioners as vulnerable people
'The Island needs to be able to compete' against other destinations
FOI revealed the Island spent more than £170,000 on influencers
Public urged to consult on capacity
Views wanted on new code of practice
Sixth election candidate for Middle
James Cochrane to stand for the House of Keys