Which is good, because Mike doesn't stop. It'd be insult on top of injury to do so. The symptoms of shock don't go unnoticed, however, and so Mike does what his father would have done.

He sings.
Or rather, he hums.

Not loud at first, and certainly nothing fancy. Just the simple melody of the lullaby Splinter used to sing when they were small. Or...at very least it's the one his Splinter used to sing.

The the cold compress is applied once more as Mike moves onto cleaning the areas that need stitching.