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.
So to keep your nasal passages moist, you can: 1  Use a humidifier or vaporizer. 2  Take long showers or -- very carefully -- breathe in steam from a pot on the stove.
He or she may also take an X-ray or CT scan of your head if you are not responding to the initial medication. 1  Drugs are usually the first treatment choice for sinusitis. 2  Your doctor may also recommend steam treatment or inhaling the vapor from a hot shower to loosen the mucus.