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.
Sinus and chest congestion can be very uncomfortable. They are often caused by seasonal allergies, but they can also be a symptom of bacterial or viral infections (such as the common cold or the flu). Sinus congestion can cause pain (including a sinus headache) and make it difficult to breathe through the nose. Chest congestion can cause a persistent cough, difficulty breathing and wheezing. These two conditions can easily be treated, even without prescription medication.