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The most common causes for hemoptysis in adults are chest infections such as bronchitis or pneumonia. [1] In children, hemoptysis is commonly caused by the presence of a foreign body in the airway. Other common causes include lung cancers and tuberculosis.
The causes of upper airway obstructions can be acute or chronic. Acute causes of upper airway obstruction include foreign body aspiration, blunt trauma to the neck, infection, and swelling due to allergies or other inflammatory conditions. [3] In children, viral infections such as croup or epiglottitis are frequent causes. [4]
Respiratory droplet transmission is the usual route for respiratory infections. Transmission can occur when respiratory droplets reach susceptible mucosal surfaces, such as in the eyes, nose or mouth. This can also happen indirectly via contact with contaminated surfaces when hands then touch the face. Respiratory droplets are large and cannot ...
The virus infects the bulb and causes the cultivar to "break" its lock on a single color, resulting in intricate bars, stripes, streaks, featherings or flame-like effects of different colors on the petals. These symptoms vary depending on the plant variety and age at the time of infection.
Today, 6 million American children live with food allergies, and young Asian Americans like Wong’s son, now in college, are 40% more likely to develop one compared to the general population.
The meaning of these gorgeous flowers varies depending on the hue. Purple lilacs represent the first emotions of love while magenta lilacs symbolize love and passion, perfect for a more serious lover.
The lungs of infants with respiratory distress syndrome are developmentally deficient in a material called surfactant, which helps prevent the collapse of the terminal air spaces (the future site of alveolar development) throughout the normal cycle of inhalation and exhalation. This deficiency of surfactant is related to inhibition from the ...
It is intended to be posted outside rooms of patients with an infection that can spread through airborne transmission. [1] Video explainer on reducing airborne pathogen transmission indoors Airborne transmission or aerosol transmission is transmission of an infectious disease through small particles suspended in the air. [ 2 ]