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:
SPC announces changes to sailing schedules
It's as weather warnings are put in place ahead of Storm Amy's arrival
Douglas Council looking for 'community minded people' to join
Leader Devon Watson says the local authority needs community minded people
Yellow weather warning issued ahead of Storm Amy
Ronaldsway Met Office says travel disruption and damage are likely
Loneliness and isolation 'can affect all age groups'
Meeting held at Braddan's Roundhouse to discuss ways to tackle 'Island-wide' issue
Cost of additional ferry terminal work "could be £1million, could be significantly cheaper"
Infrastructure minister faces questions over 'upgrade' to Liverpool site