I used to do more pneumotoscopy than I do now.
I was trained to do it with a straight tube that I blew or sucked in rather than a bulb. I've done it both ways and I prefer the straight tube.
On the other hand I don't do a lot with serous otitis anyway so......

Wendell
Pediatrician in Chicago

The patient's expectation is that you have all the answers, sometimes they just don't like the answer you have for them