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:
Some pubs to stay open for early-hours England match
Thomas Tuchel's side to face-off against co-hosts at 1am
Tynwald to revisit rates bill after the election
Proposals paused following first and second readings
Douglas Council to install temporary play area in Marine Gardens
Local authority says it's waiting for the promenade sea wall to be extended
'Significant work' needed to reduce people entering criminal justice system
Refreshed Criminal Justice Strategy to go to Tynwald