Search results
Results from the WOW.Com Content Network
IgE bound to mast cells are stimulated by pollen and dust, causing the release of inflammatory mediators such as histamine. [18] Histamine dilates blood vessels in the nose that increases vascular permeability to fluid and cause fluid leakage leading to rhinorrhea [19]. In the nasal cavities, these inflammatory mediators cause inflammation and ...
“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.
CSF rhinorrhoea (clear fluid leaking from the nose) is very serious and considered a medical emergency. Aging can cause the openings in the cribriform plate to close, pinching olfactory nerve fibers. A reduction in olfactory receptors, loss of blood flow, and thick nasal mucus can also cause an impaired sense of smell. [1]
Blood viscosity is determined by plasma viscosity, hematocrit (volume fraction of red blood cell, which constitute 99.9% of the cellular elements) and mechanical properties of red blood cells. Red blood cells have unique mechanical behavior, which can be discussed under the terms erythrocyte deformability and erythrocyte aggregation. [2]
It is thus blood coming from the nose but is not a true nosebleed, that is, not truly originating from the nasal cavity. Such bleeding is called "pseudoepistaxis" ( pseudo + epistaxis ). Examples include blood coughed up through the airway and ending up in the nasal cavity, then dripping out.
A low hematocrit level is a sign of a low red blood cell count. One way to increase the ability of oxygen transport in red blood cells is through blood transfusion, which is carried out typically when the red blood cell count is low. Prior to the blood transfusion, hematocrit levels are measured to help ensure the transfusion is necessary and safe.
On the television series Manifest, Dr. Saanvi Bahl suffered from hemolacria and erratic blood pressure in the season 3 episode Bogey. In the Afterbirth+ expansion of The Binding of Isaac: Rebirth , haemolacria is an unlockable passive item that causes tears to burst into smaller tears upon hitting a wall, obstacle or enemy and turns tears into ...
CSF rhinorrhoea involves drainage of cerebrospinal fluid through the nose. [1] This appears as a clear, colourless liquid. [1] Aldroubi sign "The liquid in CSF rhinorrhea is thin and clear, and an affected person might notice a sweet or salty taste due to the increased glucose and electrolytes present in cerebrospinal fluid so some affected ...