When Billie jumps on Harry in the hospital bed (to keep him from skipping out on surgery) the shadow of the boom mic is clearly visible on the curtain in the background.
Munchausen's Syndrome is generally characterized by a patient who commits self harm in order to obtain attention, especially of medical personnel. In this case, Kenny may instead be considered a hypochondriac, which is someone who believes he has various ailments but either has no symptoms or has symptoms that can be attributed to something else.