Depends on which course it is. If it is AHA, then no, that is something they are cracking down on really hard right now (Among others, I am an American Heart Association instructor). If the card is expired by even 1 day, you would have to take the full course again, not the refresher course...
Alternative Program
It depends on what your wanting to get your EMT for. If its ambulance, then KCC is basically the only way. If its not and all you need is your NREMT certification and not worried about state licensing then there are online "hybrid" courses from the mainland.
I am in one...
Student Once Again
Im in a strange situation where I am an EMS Educator, specializing in Prehospital EMS and Wilderness Emergency Care training, but I am now also an EMT-B student all over again.
About 10 years ago I decided that I had enough of being on a fire department and rescue squad...