What type of rescue is performed by a lifeguard when they enter the water without a buoy?

A direct rescue is performed by a lifeguard when they enter the water without the use of a buoy, indicating that they are physically engaging with the situation at hand to assist the person in distress. This type of rescue often necessitates the lifeguard to swim directly to the individual, providing immediate help and securing them safely.

The lifeguard's decision to enter the water directly reflects their confidence in their swimming ability and knowledge of rescue techniques, allowing them to effectively reach and support the person in need without additional flotation devices. This approach is particularly suitable in situations where the lifeguard assesses that they can manage the rescue without the buoy.

In other types of rescues, such as using a backboard or a pole, there are tools or devices involved that support the lifeguard's efforts but do not involve direct physical contact in the manner described for a direct rescue. Additionally, rescuing with assistance from others would imply that the lifeguard relies on another person's help rather than executing a solo rescue, which further differentiates it from a direct rescue scenario.