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.
Earwax blockage Sometimes ear wax can harden and block the ear canal, causing discomfort and itching, earache, and more. Acute sinusitis Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.
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.