1 Pixel density: Pixel density-The pixel density of a display represents the number of pixels over an area of one inch. 2  Itâs measured in âpixels per inchâ, or ppi.
Eustachian Tube Dysfunction can be caused by large adenoids, allergies, or a cold. This dysfunction can cause crackling or popping noises in our ears. The tube is lined with moist mucosa, and inflamed Eustachian tubes often get sticky, which causes the crackling and popping noises when the tubes are moving around. If the inflammation is serious, it can be easily treated with steroid nasal sprays.
He couldnât sit still, and the expression on his face just said âHelp me!â He was grabbing and poking at his left ear. âGet it out!â. Iâve had other patients with ear symptoms with crackling noises, but this was different. I took a look inside and sure enough, there was a pincher bug inside the ear canal. With the magnification from the ear scope, the thing looked huge.