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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]
Ninety percent of nosebleeds (epistaxis) occur in Kiesselbach's plexus, whereas five to ten percent originate from Woodruff's plexus. [3] It is exposed to the drying effect of inhaled air. [3] 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 ...
On rare occasions, a nosebleed may result in bloody tears if the shed blood is forced to flow up and through the nasolacrimal ducts. [ 3 ] Acute haemolacria can occur in fertile women and seems to be induced by hormones, [ 2 ] similarly to what happens in endometriosis .
Rarer causes include hereditary hemorrhagic telangiectasia (HHT or Rendu-Osler-Weber syndrome), Goodpasture's syndrome, and granulomatosis with polyangiitis. A rare cause of hemoptysis in women is endometriosis, which leads to intermittent hemoptysis coinciding with menstrual periods in 7% of women with thoracic endometriosis syndrome. [4]
Very high blood pressure can cause symptoms like: Nosebleeds. Anxiety. Severe headaches. Chest pain. Dizziness. ... Buzzing in the ears. Causes of Hypertension. There are many different causes of ...
The sphenopalatine artery is the artery commonly responsible for epistaxis (difficult to control bleeding of the nasal cavity, especially the posterior nasal cavity). [3] ...
One of the most common medical conditions involving the nose is a nosebleed (epistaxis). Most nosebleeds occur in Kiesselbach's plexus, a vascular plexus in the lower front part of the septum involving the convergence of four arteries. A smaller proportion of nosebleeds that tend to be nontraumatic occur in Woodruff's plexus.
The pressure difference causes the mucosal lining of the sinuses to become swollen and submucosal bleeding follows with further difficulties ventilating the sinus, especially if the orifices are involved. Ultimately fluid or blood will fill the space.
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