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.
Ephedrine nasal drops can help to ease a blocked nose. Put one or two drops into each nostril up to four times a day. You can use the drops for up to seven days if required, but do not use them for longer periods.or these reasons, before you start using ephedrine nasal drops it is important that your doctor, dentist, or pharmacist knows: 1  If you are pregnant or breast-feeding. 2  If you have diabetes, high blood pressure, or heart disease. 3  If you have an overactive thyroid, or any problems with your prostate or kidneys.