FTM bath time incident 😔

So FTM mom here...which means I worry about everything. My LO is 5 months and took a bath sitting up in her little tub tonight. I normally tilt her head back to rinse shampoo but Miss independent wasn't having it so I rinsed while she was sitting up. I don't know if the water in her face scared her or she drank/inhaled some but it freaked her out and I think she may have stopped breathing for a second or two. She never cried just looked surprised. Should I be worried at all? She didn't cough or throw up after.Â