Which of the following is a common source of a pulmonary embolus?
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Thereof, which factors contribute to postoperative atelectasis?
The inherent tendency of alveoli to collapse is enhanced by the following risk factors; low lung volume, high closing volume, oxygen therapy, a rapid shallow ventilatory pattern, chronic lung disease, smoking, obesity, postoperative pain following abdominal or thoracic surgery, narcotic induced ventilatory depression,
Beside above, how does severe hypoxia develop with pneumonia quizlet? Acidosis depresses respirations. Oxygen diffusion is impaired by the congestion. Inflammatory exudate absorbs oxygen from the alveolar air.
Also, what are the typical pathological changes with bronchiectasis?
Bronchiectasis is a disease in which there is permanent enlargement of parts of the airways of the lung. Symptoms typically include a chronic cough with mucus production. Other symptoms include shortness of breath, coughing up blood, and chest pain.
How is acute sinusitis usually manifested?
Signs and symptoms of sinusitis Symptoms of acute sinusitis usually appear a few days after the acute cold symptoms have resolved. Pain, headache, nasal obstruction, a purulent nasal secretion and 'postnasal drip' (a discharge of 'mucopus' into the pharynx) are commonly found and there may also be fever and malaise.