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“The only two places that blood can go when you have a nosebleed are from the front of the nose or down the back of the nose and into the throat,” says Dr. Edwards.
Ultimately fluid or blood will fill the space. In most cases of sinus barotrauma, localized pain to the frontal area is the predominant symptom. This is due to pain originating from the frontal sinus, it being above the brow bones. Less common is pain referred to the temporal, occipital, or retrobulbar region.
The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla. [1] [2]: 345–346 Due to the special nature of the blood supply to the human nose and surrounding area, it is possible for retrograde infection from the nasal area to spread to the brain, causing cavernous sinus thrombosis, meningitis, or brain abscess.
The close proximity of the sinuses to the brain makes brain infections one of the most dangerous complication of acute bacterial sinusitis, especially when the frontal and sphenoid sinuses are involved. These infections can result from invasion of anaerobic bacteria through the bones or blood vessels.
Another common cause of sinus pressure is a cold or the flu. When you have a cold, your sinuses become inflamed and filled with mucus. Sickness can cause a lot of pressure in the sinuses, making ...
Nasal septal hematoma is a condition affecting the nasal septum. [1] It can be associated with trauma. [2]A septal hematoma is blood that collects in the space between the septal cartilage and the overlying perichondrium (a cross section of the cartilaginous portion of the nasal septum).
Excess tears flow through the nasolacrimal duct which drains into the inferior nasal meatus. This is the reason the nose starts to run when a person is crying or has watery eyes from an allergy, and why one can sometimes taste eye drops. This is for the same reason when applying some eye drops it is often advised to close the nasolacrimal duct ...
A CT scan showing evidence of the nasal cycle: the more patent airway is on the right of the image, the swollen turbinates congesting the left. The nasal cycle is the subconscious [1] [2] alternating partial congestion and decongestion of the nasal cavities in humans and other animals. This results in greater airflow through one nostril with ...