Back in 1999 an Emery captain had had a fatal heart attack on, or slightly before, touchdown in KIND and the plane went off the runway.
Pilot of cargo plane is fatally stricken during landing at Indianapolis airport

Also, the last time we had a crew member need medical assistance in-flight the MD on the line at MedLink basically said something to the effect of "Are you telling me you're flying planes across the ocean without even stocking epi-pens in the first aid kit?" It may be worth your time getting a hold of this company to see what they recommend (if you haven't already) to be stocked in the kits. This is who about every dispatch office uses during a phone patch for a medical emergency for both cargo and passenger flights.
24-hour Inflight Medical Support for Commercial Airlines