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What is Hemotympanum and explain in detail?
Hemotympanum, or hematotympanum, refers to the presence of blood in the tympanic cavity of the middle ear. Hemotympanum is often the result of basilar skull fracture.Hemotympanum refers to the presence of blood in the middle ear, which is the area behind the eardrum. In most cases, the blood is trapped behind the eardrum, so no discharge is visible.
Treating hemotympanum depends on the underlying cause.

Presentation
The most common symptoms of hemotympanum are:

pain
sense of fullness in the ear
hearing loss

Causes
Skull fracture
A basal skull fracture is a fracture in one of the bones at the base of the skull. This is almost always caused by impact trauma such as a hard fall or a car crash. If the temporal bone is affected, one of the following may co-occur:

Auricular cerebrospinal fluid discharge
Dizziness
Bruises around the eyes or behind the ears
Facial weakness
Difficulty seeing, smelling, or hearing

Nasal packing
Following nasal surgery or frequent nosebleeds, gauze or cotton may be inserted into the nose to stop the bleeding