Viral (low wbc), Bacterial (high wbc), Parasitic, Diet

Fecal oral route is most common

Diarrhea, vomiting, fever

CBC, Fecal

Treat underlying cause, supportive care 

Vaccination, husbandry 

Acute onset of hematomesis, hematochezia, anorexia

CBC, clinical signs

Supportive care, antibiotics, NPO

Good as long as treated 

Puppies/younger dogs

Fever, vomiting, diarrhea

CBC, positive ELISA, fecal 

Supportive care, control clinical signs 

Vaccination 

Fatty meal/drug induced 

Obese, middle aged to older dogs

Vomitting, anorexia, fever, diarrhea, abdominal pain

CBC, blood chemistry, ultrasound 

Iv fluids, NPO 24 hours, vomiting, analgesia

Poor to good 

Idiopathic 

Weight loss, possible vomiting/diarrhea

CBC, Spec fPL, ultrasound

Supportive care and monitoring, antibiotics 

Not producing correct enzymes for digestion 

Vomiting, diarrhea, weight loss

CBC, chemistry, Serum TLI

Treat underlying cause, control diet 

Fatty liver disease

Aquired disease caused by rappid weight loss due to anorexia 

Obese cats   

Weight loss, Icterus, vomiting, diarrhea 

CBC, Chemistry, radiograph, ultrasound 

Immediate feeding, PEG tube, supportive care 

Recheck blood work every 2 weeks, check weight 

Gaurded to fair 

Sweeling, pain, jaundice

Toxin, drug, infection, lepto

CBC, chemistry, ultrasound, liver biopsy 

Supportive care, IV fluids, analgesia 

Scarring, disfunction, lepto

Anorexia, vomiting

CBC, radiographs, liver biopsy

supportive, anti-inflammatories

Congenital 

Bypasses liver due to an abnormal vessel 

ADR, CNS

CBC, Radiograph, ultrasound 

Limit NH3 formation, surgery

Large to gaint breeds, deep chested dogs

Gas distention of stomach, stomach twists on longitudinal axis, weakness, collapse, pain

Radiographs, CBC, ECG

Alleviate distention, correct volvulus, surgery