One of the key differentials between companies with a positive and those with a negative experience with variable pay programs was the selection of appropriate performance measures. Those measures are the primary motivation for employees and they communicate to employees what the objectives of the company are.
Many of the symptoms of a sinus infection are quite general, and what appear to be a sinus infection with nausea might be another condition or conditions. Tension and anxiety, for instance, can result in an upset stomach and headache.
As the paranasal sinuses are continuous with the nasal cavity, an upper respiratory tract infection can spread to the sinuses. Infection of the sinuses causes inflammation (particularly pain and swelling) of the mucosa, and is known as sinusitis. If more than one sinus is affected, it is called pansinusitis.