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Normal ear anatomy Earlobe creases seen in a Japanese angina patient. Frank's sign is a diagonal crease in the ear lobe extending from the tragus across the lobule to the rear edge of the auricle. [1] The sign is named after Sanders T. Frank. [1] It has been hypothesised that Frank's sign is indicative of cardiovascular disease [2] [3] and/or ...
He found out that, by applying his ear to the patient [4] and tapping lightly on the chest, one could assess the density of underlying tissues and organs. This technique of percussive diagnosis had its origins in testing the level of wine casks in the cellar of his father's hotel. [5] With this method, he was able to plot outlines of the heart.
The most common causes are hearing damage, noise-induced hearing loss, or age-related hearing loss, known as presbycusis. [2] Other causes include ear infections , disease of the heart or blood vessels , Ménière's disease , brain tumors , acoustic neuromas (tumors on the auditory nerves of the ear), migraines, temporomandibular joint ...
Tinnitus is not a disease but a symptom that can result from a number of underlying causes. One of the most common causes is noise-induced hearing loss. Other causes include: ear infections, disease of the heart or blood vessels, Ménière's disease, brain tumors, emotional stress, exposure to certain medications, a previous head injury, and ...
Hearing loss is a partial or total inability to hear. [5] Hearing loss may be present at birth or acquired at any time afterwards. [6] [7] Hearing loss may occur in one or both ears. [2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. [8]
Patulous Eustachian tube is a physical disorder. The exact causes may vary depending on the person and are often unknown. [5] Weight loss is a commonly cited cause of the disorder due to the nature of the Eustachian tube itself and is associated with approximately one-third of reported cases. [6]
Tabulae anatomicae (Rome, 1783): Table 21 Tabulae anatomicae (Rome, 1783): Title page. Bartolomeo Eustachi (c. 1500–1510 – 27 August 1574), also known as Eustachio or by his Latin name of Bartholomaeus Eustachius (/ j uː ˈ s t eɪ ʃ ə s /), was an Italian anatomist and one of the founders of the science of human anatomy.
If one ear has normal thresholds while the other has sensorineural hearing loss (SNHL), diplacusis may be present, as much as 15–20% (for example 200 Hz one ear => 240 Hz in the other). [citation needed] The pitch may be difficult to match because the SNHL ear hears the sound "fuzzy". Bilateral SNHL gives less diplacusis, but pitch ...