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A nosebleed, also known as epistaxis, is an instance of bleeding from the nose. [1] Blood can flow down into the stomach, and cause nausea and vomiting. [8] In more severe cases, blood may come out of both nostrils. [9] Rarely, bleeding may be so significant that low blood pressure occurs. [1]
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).
As TTP progresses, blood clots form within small blood vessels (microvasculature), and platelets (clotting cells) are consumed. As a result, bruising, and rarely bleeding can occur. The bruising often takes the form of purpura, while the most common site of bleeding, if it occurs, is from the nose or gums.
Cavernous sinus thrombosis (CST) is the formation of a blood clot within the cavernous sinus, a cavity at the base of the brain which drains deoxygenated blood from the brain back to the heart. This is a rare disorder and can be of two types–septic cavernous thrombosis and aseptic cavernous thrombosis. [1]
A rhinolith (from rhino- 'nose' and -lith 'stone') is a stone present in the nasal cavity. It is an uncommon medical phenomenon, not to be confused with dried nasal mucus. A rhinolith usually forms around the nucleus of a small exogenous foreign body, blood clot or secretion by slow deposition of calcium and magnesium carbonate and phosphate ...
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.
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It can also be damaged by trauma from a finger nail (nose picking), as it is fragile. [ 3 ] [ 4 ] It is the usual site for nosebleeds in children and young adults. [ 3 ] [ 5 ] A physician may use a nasal speculum to see that an anterior nosebleed comes from Kiesselbach's plexus.