What is your diagnosis? Hematology and blood smear of a dog

Abstract

with severe anemia. Clinical examination revealed dehydration of 5%, heart rate of 160 beats/min with a bounding pulse of the same frequency, systolic heart murmur grade 2-3/6, respiratory rate of 36 breaths/minute, and rectal body temperature of 37.4°C. An abdominal ultrasound showed severe colopathy, generalized hepatopathy, hepatomegaly, moderate peritoneal effusion, gastropathy, a mildly thickened gallbladder wall, and single portal lymphadenomegaly. At