I don’t know if it’s still valid but when I did bronze med yes, there was an approach position with one raised leg to kick or splash if needed that was taught.

Drowning people will often try to climb on you and shove you under to breath. If splashing and keeping distance with a foot fails you hold your breath and dive. They will let go and try to get back to air.

The general chain of preferences was: reach>throw>wade>row>swim>tow

Reach with a stick or something if you can avoid getting in.

Throw a flotation aid or rope

Wade out and throw a flotation aid or rope

Use a boat or board etc if available

Swim out with a flotation aid

Swim out and tow them in while swimming.