The âshellâ or âcaseâ is the outer covering of a hearing aid, and determines its style. Of the many parts of a hearing aid, style can make a big difference to your overall satisfaction. Beltone's two main style categories are Behind-the-Ear (BTE) and Custom hearing aids. IIC. Invisible-in-Canal.
The symptoms of chest congestion can be listed as under. 1  Coughing. 2  Shortness of breath. 3  Labored breathing.  Chest 1  pain. Dizziness.  Runny 1  nose. Wheezing. 2  Discomfort. Blood in  cough. Loud noises while breathing.
The common cold is a viral respiratory infection causing sore throat, stuffy or runny nose, headache and more. A middle ear infection puts pressure on the eardrum, causing pain and, sometimes, hearing loss. Exposure to smoke can cause coughing, wheezing, shortness of breath, chest tightness, chest pain, and more. Dust exposure can cause congestion, runny nose, cough, shortness of breath, tightness in the chest, and more.