In heat syncope assessment to rule out a cardiac event, which three items must be assessed?

• A. Responsiveness, breathing, and pulse
• B. Blood pressure, sweating, and heart rate
• C. Skin temperature, pupil reaction, and vocal response
• D. Respiratory rate, oxygen saturation, and hydration status

Answer: (A)

In this context, the most important quick assessment is the ABCs: airway, breathing, and circulation. Start by checking responsiveness to see if the person is awake and able to follow commands, which gives you an immediate sense of neurological status and safety needs. Next, assess breathing to confirm there is adequate ventilation and no respiratory distress that could indicate a non-cardiac or combined issue. Finally, check the pulse to evaluate circulation and perfusion; a present, regular, or strong pulse helps rule out a life-threatening cardiac problem at that moment. If any of these are compromised, escalate care immediately.

The other options don’t align with this rapid, life-safety screen. They mix signs that are informative for other aspects (like hydration, skin signs, or general vitals) but don’t directly address the airway, breathing, and circulation checks needed to rule out a cardiac event in the heat-related context.