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A history of exposure to potential causes and evaluation of symptoms may help in revealing the cause the exacerbation, which helps in choosing the best treatment. A sputum culture can specify which strain is causing a bacterial AECB. [5] An early morning sample is preferred. [7] E-nose showed the ability to smell the cause of the exacerbation. [8]
In children, viral infections such as croup or epiglottitis are frequent causes. [4] Adults are more likely to experience obstruction from enlargement of the tonsils or vocal cord paralysis . [ 3 ] Obstructive sleep apnea is the most common chronic cause of upper airway obstruction.
It may be triggered by other things such as an upper respiratory tract infection, cold air, exercise, or smoke. Asthma is a common condition and affects over 300 million people around the world. [3] Asthma causes recurring episodes of wheezing, breathlessness, chest tightness, and coughing, particularly at night or in the early morning. [4]
Pleurisy can be caused by a variety of conditions, including viral or bacterial infections, autoimmune disorders, and pulmonary embolism. The most common cause is a viral infection. [2] Other causes include bacterial infection, pneumonia, pulmonary embolism, autoimmune disorders, lung cancer, following heart surgery, pancreatitis and asbestosis ...
The fraction of exhaled NO (FE NO) is a promising biomarker for the diagnosis, follow-up and as a guide to therapy in adults and children with asthma. The breath test has recently become available in many well-equipped hospitals in developed countries, although its exact role remains unclear.
Additionally, just 43.7% of adults ages 75 and older have received the RSV vaccine, according to CDC data. Nearly half of all children are vaccinated against the flu at 42.5%, but just 10.3% have ...
Viruses that cause respiratory infections are affected by environmental conditions like relative humidity and temperature. Temperate climate winters have lower relative humidity, which is known to increase the transmission of influenza. [29] Of the viruses that cause respiratory infections in humans, most have seasonal variation in prevalence.
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