What is a critical first step when dealing with an unconscious individual?

Contacting emergency personnel is the critical first step when dealing with an unconscious individual because their condition may be life-threatening and requires immediate professional medical assistance. Unconsciousness can result from various causes such as a head injury, stroke, overdose, or a medical condition, all of which need prompt evaluation and treatment by trained professionals.

Ensuring that emergency personnel are alerted allows for timely intervention, which can significantly improve the individual’s chances of recovery or survival. While attempting to wake someone can be appropriate in certain contexts, it should only be done after ensuring that emergency services are on the way if they remain unresponsive. Providing fluids or checking blood pressure may not be beneficial or safe at this stage, as the individual may have compromised airway or swallowing capabilities, and precise management of their condition requires medical expertise.