Under normal conditions, the dog’s breathing rhythm is relatively uniform, generally in addition to just after strenuous exercise, or illness makes the breathing heavy, frequency disorder, the dog’s breathing is relatively natural and regular. When you notice a sudden change in your dog’s breathing rate or an uneven pattern, it’s best to pay attention.
We should pay attention to the coordination and intensity of chest and abdominal wall undulating movement when examining the dog’s breathing. The chest and abdominal wall open on inhalation and contract on exhalation. This form of breathing is called chest and abdominal breathing or mixed breathing. When breathing, chest movement prevails, called chest breathing, which is what healthy dogs breathe. If abdominal wall movement prevails during breathing, it is called abdominal breathing and is commonly associated with pleurisy, fractured ribs, intercostal myositis, pericarditis, or emphysema.
Healthy dogs inhale and exhale immediately, followed by a very short interval, and then inhale again, which is normal and rhythmic breathing. Changes in respiratory rhythm generally include the following:
1. Inhalation lengthening: This is characterized by a significantly longer duration of inhalation, which is the result of an obstruction of air entry into the lungs. This phenomenon is common in upper respiratory tract stenosis.
2. Exhalation prolongation: This is characterized by a significant prolongation of the length of the exhalation. This is caused by the obstruction of the exhalation of the air from the lungs and the unsmooth exhalation. This phenomenon is mainly seen in bronchiolar inflammation and chronic alveolar emphysema.
3. Intermittent breathing: Also known as intermittent breathing, in or out, continuous action is performed by dividing the inhalation into two or more times. This is caused by the animal’s inability to expel air from the lungs in order to relieve chest pain by dividing the inhalation into several times, or by a single exhalation. This phenomenon is common in bronchiolitis, chronic alveolar emphysema, pleurisy, and chest and abdominal diseases with pain.
4. Dogs have shortness of breath and abnormal rhythms. The breathing gradually strengthens, deepens, accelerates, then weakens, and then repeats after brief pauses. This is the respiratory center caused by severe hypoxia. This phenomenon is commonly seen in heart failure, encephalitis, uremia, poisoning, and so on.
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-- Pharaoh Hound
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-- German Pinscher
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