3077. A 10-year-old Maltese has difficulty breathing, coughs a lot and cannot lie down overnight

Congestive heart failure - left ventricle failure leading to pulmonary edema as seen in the X-rays.

Dog had high white cell count and neutrophils. T=37.6 deg C which is below normal.
Oxygen therapy, IV furesmide to clear pulmonary edema. The dog had bacteraemia.