external auditory canal

The external auditory canal is to project the focus of the forehead reflection to the external auditory canal of the subject for auricle and external auditory canal examination to see if there is foreign body, injury or bacterial infection in the external auditory canal. The subject sits sideways and the auricle faces the examiner; the examiner projects the focus of the fossa reflection first onto the subject's external auditory canal. When adjusting the focal length, the examiner can move the head forward and backward to make the brightest spot hit the detected part. Basic Information Specialist Category: Otolaryngology Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Follow the doctor's arrangements. Normal value There are no pain, redness, secretions and other symptoms in the auricle. Clinical significance Abnormal results include auricular traction pain and tragus tenderness. The external auditory canal cartilage skin has localized redness and swelling of the external auditory canal. The examination also has auricular traction pain and faint tenderness. The external auditory canal is diffusely red and swollen, and the external auditory canal can accumulate secretions. The external auditory canal is narrowed, and the periorbital lymph nodes are diffuse otitis externa. Need to check patients with otitis externa. Precautions Not suitable for the crowd: no. Taboo before inspection: None. Taboo when checking: Obey the doctor's arrangement. Inspection process The subject sits sideways and the auricle faces the examiner; the examiner projects the focus of the fossa reflection first onto the subject's external auditory canal. When adjusting the focal length, the examiner can move the head forward and backward to make the brightest spot hit the detected part.