I can see the first ones on the market doing something stupid like:
ALERT! ALERT! (BEEP VIBRATE) YOU ARE HAVING A STROKE.
DO YOU WISH TO 1) ALERT PARAMEDICS, 2) ALERT YOUR DOCTOR, 3) CALL YOUR PHYSICIAN, 4) CALL HOME, 5) ALERT YOU "5", 6) MAKE A WILL, or 7) SAY ADIOS?