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Pneumonia is an irritation of the lungs caused by different sources. It is characterized by an inflammation of the deep lung tissues [1] and the bronchi. Pneumonia can be acute or chronic. [2] This life-threatening [3] illness is more common in cats than in dogs [1] and the complication “Kennel Cough” [1] can occur in young pets.
Respiratory sounds, also known as lung sounds or breath sounds, are the specific sounds generated by the movement of air through the respiratory system. [1] These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. [2]
Egophony (British English, aegophony) is an increased resonance of voice sounds [1] heard when auscultating the lungs, often caused by lung consolidation and fibrosis.It is due to enhanced transmission of high-frequency sound across fluid, such as in abnormal lung tissue, with lower frequencies filtered out.
The lungs expand and contract during the breathing cycle, drawing air in and out of the lungs. The volume of air moved in or out of the lungs under normal resting circumstances (the resting tidal volume of about 500 ml), and volumes moved during maximally forced inhalation and maximally forced exhalation are measured in humans by spirometry. [12]
Bronchophony may be caused by a solidification of lung tissue around the bronchi – which may indicate lung cancer – or by fluid in the alveoli, which may indicate pneumonia. However, it may also have benign causes, such as wide bronchi. As such, it is usually an indication for further investigation rather than the main basis of a diagnosis.
Bronchitis and pneumonia are both infections that affect your airways. They can have similar symptoms that often blur into each other. Skip to main content. Sign in. Mail. 24/7 Help. For premium ...
Pneumonia is an inflammatory condition of the lung, where the small air sacs, known as alveoli, fill with fluid. It is most often caused by an infection from bacteria . [ 1 ] [ 2 ]
Radiologic studies may be done to image the chest wall, lungs, and airway to evaluate and diagnose conditions that may be contributing to aspiration, and also to diagnose complications of previous aspiration. Chest X-rays can be useful in the diagnosis of aspiration pneumonia but may be negative early in the course. [12]