The following link is a presentation outlining the causes of pulsatile tinnitus. Some of the videos in the presentation are listed below.
Tinnitus_pulsatile_tinnitus_2024 OCR
Multiple meningo-encephaloceles
Pulsatile mass behind the ear drum
Pulsatile lesion representing a jugulotympanic paraganglioma extending from the jugular bulb into the middle ear and external auditory canal
Movement of the tympanic membrane with nasal respiration confirms a diagnosis of patulous eustachian tube