Analog RGB signals carry video information for the three primary video colors on separate signals, one for each color. Formats that use analog waveforms for RGB signals in home entertainment systems include component video and video graphics array.
Sinus infection, or sinusitis, is an inflammation of the sinuses and nasal passages. A sinus infection can cause a headache or pressure in the eyes, nose, cheek area, or on one side of the head.
Decongestants. Decongestants can relieve the stuffy nose that often accompanies the flu. Some decongestants found in over-the-counter flu medications include pseudoephedrine (in Sudafed) and phenylephrine (in DayQuil). Patients with hypertension should avoid this type of medication. It may increase blood pressure.