Hyperthyroidism
29 Hyperthyroidism David L. Panciera 1. What causes hyperthyroidism in the dog? Hyperthyroidism in dogs is usually due to excessive thyroid hormone secretion by a thyroid tumor. Iatrogenic hyperthyroidism also…
Hypothyroidism
28 Hypothyroidism David L. Panciera 1. What causes hypothyroidism in dogs? Autoimmune thyroiditis is responsible for destruction of the thyroid gland in approximately 50% of cases. These dogs usually have…
Hyperadrenocorticism
27 Hyperadrenocorticism David L. Panciera 1. What are the causes of hyperadrenocorticism? Hyperadrenocorticism is a syndrome characterized by clinical and biochemical changes related to a state of glucocorticoid excess. It…
Hypoadrenocorticism
26 Hypoadrenocorticism David L. Panciera 1. What are the causes of hypoadrenocorticism? The most common cause of hypoadrenocorticism is idiopathic destruction of the adrenal cortex. The resulting primary hypoadrenocorticism causes…
Diabetes Mellitus
25 Diabetes Mellitus David L. Panciera 1. What is the cause of diabetes mellitus in the dog? The cause in individual dogs is usually unknown and of little importance from…
Pericardial Disease
7 Pericardial Disease Wendy A. Ware 1. What is the normal structure and function of the pericardium? The pericardium is a double-layered sac that encases the heart and is attached…
Lower Respiratory Tract Tumors
24 Lower Respiratory Tract Tumors Leslie E. Fox 1. What are the most common primary lung neoplasms in dogs? Most lung tumors originate from the epithelium of the airways and…
Pulmonary Thromboembolism
22 Pulmonary Thromboembolism Erin M. Portillo 1. What is a pulmonary thromboembolism (PTE)? A PTE occurs when a clot obstructs a pulmonary vessel. This can occur within the vessel itself…
Canine Heartworm Disease
12 Canine Heartworm Disease Clay A. Calvert, Laura Gaye Ridge 1. What is heartworm (HW) disease? HW disease, or dirofilariasis, is the consequence of parasitic infection by a filarid nematode,…
Management of Heart Failure
8 Management of Heart Failure Jonathon A. Abbott 1. What is heart failure? Heart failure is a syndrome in which cardiac dysfunction results in clinical signs associated with venous congestion…
