Sometimes, hypoxemia caused by airway obstruction or lung disease can be so severe that methods to boost low-oxygen levels (including the placement of a breathing tube) are ineffective.

Airway obstruction was defined solely by pulmonary function tests, without considering symptoms, which constitutes a major limitation in the study. Additionally, the use of the standard definition ...

Uncontrolled asthma in texans led to more than 1-hundred 15-thousand emergency department visits in 20-18 -- according to texas health and human services.Dr. Am ...