The HPNA light is only on if a device is using that connection, usually a STB connected via coax (can be over twisted pair in rare situations like apartments). It sounds like your setup uses ethernet which would not turn on the HPNA light.
The previous scene is an excerpt from Brain on Fire: My Month of Madness, and just one of many hallucinations Susannah Cahalan experienced in 2009 during her month-long hospital stay, in which she was diagnosed with a rare neurological autoimmune disease, known as anti-NMDA receptor encephalitis.
Achalasia is a functional disorder of the esophagus with impaired relaxation of the lower esophageal sphincter and aperistalsis (=absence of motility) of the esophageal body. As a consequence the transport of food is incomplete or absent.uring balloon dilatation the surgeon places a balloon (filled with air or water) at the level of the lower esophageal sphincter. Under endoscopic vision the balloon is inflated. Thus balloon dilatation disrupts the lower esophageal sphincter and eliminates theoutflow obstruction.