Final answer:
Offline medical direction can be provided through Call review, Medical direction by phone, and Medical direction by radio.
Step-by-step explanation:
Offline medical direction can be provided through Call review, Medical direction by phone, and Medical direction by radio. Call review involves a medical professional reviewing a recorded call to provide guidance and direction to the on-site personnel. Medical direction by phone and radio occur when a physician or medical professional gives guidance and instructions over the phone or radio to the on-site responders.