Final answer:
The first response to a syncope episode involves ensuring the person's safety, checking responsiveness, and restoring circulation and breathing if needed.
Step-by-step explanation:
The appropriate first response to a syncope episode is to ensure the person's safety, check for responsiveness, and then monitor or restore circulation and breathing. In the case of suspected stroke, one should use the FAST mnemonic to assess the situation. FAST stands for Face drooping, Arm weakness, Speech difficulties, and Time to call emergency services. It is imperative to act quickly, as recovery from a stroke (or TIA) is strongly dependent on the speed of treatment.
In the event of loss of consciousness due to syncope, caused by conditions such as orthostatic hypotension or cardiac issues, immediate action should also be taken to check the person for injuries, lay them down flat to promote blood flow to the brain, and monitor vital signs. If necessary, seek emergency medical assistance.