Aorta Iliac Ultrasound. Ultrasound can be used to image the aorta and iliac arteries to detect medical conditions affecting blood flow. Ultrasound technology is safe and images arteries and veins. There is no radiation or injection of chemicals for this study.
This is the infection called acute otitis media. The build up of pressurized pus in the middle ear causes earache, swelling, and redness. Since the eardrum cannot vibrate properly, you or your child may have hearing problems. Sometimes the eardrum ruptures, and pus drains out of the ear.
Answer Wiki. It sounds like something in your ear canal is rubbing against your ear drum. When my patients have this symptom it is usually caused by a hair. Hair normally grows in the ear canal. If one gets a little long and points inward it is easy for an earbud to push it so it touches the ear drum. This touch will sound like loud scratching.