| A | B |
|---|
| Function | Delievers oxygen and nutrients. Removes Carbon Dioxidea nd other waste products |
| Cardiac Output | pre-load, after-load, myocardial contractiblilty. |
| Heart Rate | under autonomic control, |
| Parasympathetic | decreases rate |
| Sympathetic | fight or flight complex |
| Clinical Signs of Dysfunction | Congestive Heart Failure, separated into right and left |
| Left Sided Heart Failure | Regurgitation into left atrium, back up into pulmonary vein, increased workload for left ventricle. |
| Right Sided Heart Failure | Pleural Effusion, Ascites, hepatic hypertension, congestion and functional imparement |
| Clinical Signs | coughing, dyspnea, exercise intolerance, cyanosis, ascites, cardiac cachexia |
| Stages of Heart Disease | 1- mumor only no clinical signs...2. cough on exercise intolerance..3. cough at rest, exercise intolerance, syncope...4. respiratory distress, severe ECG, |
| HCM( Hypertrophic Cardiomyopathy) | Hereditary component, Persians and longhairs higher incidence. |
| Clinical Signs HCM | aquired artrioventricular valve insuffiency in small breed dogs. |
| DCM(Dialted Cardiomyopathy) | Middle aged male large breeds, very rare in cats |
| Heartworm Disease | adults live in the pulmonary arteries, right atrium and sometimes the vena cava. leadsto right sided heart failure. |
