Mitral regurgitation: The most common heart disease in dogs (Proceedings)
Aug 01, 2010
CVC IN KANSAS CITY PROCEEDINGS
A. Prevalence/Etiology: 72 million dogs in the US; 72 million cats in the US; 11% of each have heart disease; 85% of dogs with hearty disease have endocardiodiosis leading to mitral regurgitation. Prevalent in small, chondrodystrophic; familial; possibly 5HT-mediated; possibly related to periodontal disease.
1. Left apical holosystolic murmur unrelated to severity. No Rx.
2. Left atrial and left ventricular enlargement related to severity. Rx: ACE inhibitor, spironolactone, possibly beta blocker
3. Pulmonary congestion/edema: tachypnea, wheezes, subtle cough, crackles, cyanosis. Theophylline, furosemide, chlorothiazide, digitalis, pimobendan.
4. Supraventricular arrhythmias. Rx. digitalis, ....olol, diltiazem.
5. Ventricular arrhythmias. Rx. sotalol, amiodarone