Congestive heart failure in dogs is often manifested by coughing, tachypnea and dyspnea. These signs also occur in association with the pulmonary vascular disease and pneumonitis of heartworm disease in both dogs and cats. Noncardiac conditions including diseases of the upper and lower airways, pulmonary parenchyma (including noncardiogenic pulmonary edema), pulmonary vasculature, and plural space, [...]
Testing to determine the cause of intermittent weakness or syncope usually includes and electrocardiogram (ECG)(obtained while resting, during exercise, and/or after exercise or a vagal maneuver), a complete blood count (CBC) serum biochemical analysis (including electrolytes and glucose), neurologic examination, thoracic radiographs, heartworm testing, and echocardiography. Other studies to rule out neuromuscular or neurologic disease [...]
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