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Normally, the sinuses drain into the nasal cavity through small ostia, which permit mucociliary clearance and ventilation that equilibrates pressure. However, when the opening is obstructed due to inflammation, polyps, mucosal thickening, anatomical abnormalities, or other lesions, pressure equilibration is impossible.
“This could be termed ‘post-nasal drainage,’ since that is what is actually happening,” Dr. Mayerhoff continues, noting that when people use the term “post-nasal drip,” it’s usually ...
Looking for relief from painful sinus pressure this spring allergy season? Board certified allergist Dr. Tania Elliott has top tips for keeping your allergies and nasal symptoms under control.
When the maxillary sinus is involved, the inferior oblique muscle may be damaged. [1] The cause of silent sinus syndrome is not well understood. Bacteria in the maxillary sinus may be involved. The connection to the nose may be blocked. [1] [2] This can create negative pressure in the sinus, as secretions are reabsorbed. [1]
Sinusitis, also known as rhinosinusitis, is an inflammation of the mucous membranes that line the sinuses resulting in symptoms that may include production of thick nasal mucus, nasal congestion, facial congestion, facial pain, facial pressure, loss of smell, or fever.
Chronic rhinosinusitis lasts more than 12 weeks with no complete recovery. The symptoms of chronic rhinosinusitis are less prominent/pronounced than of acute rhinosinusitis. Chronic rhinosinusitis is characterized/shaped by an impaired nasal inspiration, feelings of pressure and swelling in the facial area, as well as a higher susceptibility to ...
When your blood pressure gets too low, your organs aren’t getting enough oxygen and nutrients, which can lead to shock, according to the National Heart, Lung, and Blood Institute. Signs of shock ...
Rhinosinusitis is inflammation or infection of the sinus cavities. Acute rhinosinusitis has symptoms lasting less than four weeks, while chronic rhinosinusitis lasts greater than 12 weeks. [ 8 ] This persistent irritation can lead to increased mucus production as a result of pro-inflammatory pathways, producing symptoms of PND.