Myocardial diseases Flashcards
Name breeds predisposed to DCM
Dobermann Great Dane Irish Wolfhound Cocker spaniel - exception to large breed rule Dalmatian Portuguese Water Dogs
Which is the only small breed classically associated with DCM an what is their DCM linked with?
American Cocker Spaniel
Taurine deficiency
DCM may present with a history of exercise intolerance, syncope, coughing or no history at all. What murmur may be heard on clinical exam?
Left sided systolic apolic
Same as MDVD
Which heart chambers are enlarged with DCM?
Left ventricle
Left atrium
What is the preclinical treatment for DCM?
Pimobendan
+/- benazepril
Apart from the FPAS CHF drugs, what else can be used to help manage DCM?
Nutraceuticals - omega 3 fish oil, taurine
Sodium restriction
Cough suppressants
MDVD and DCM both cause L apical systolic murmurs. How do MDVD and DCM differ in terms of chamber size, mitral regurgitation, systolic function and risk of collapse?
Mitral valve: LA > LV, severe mitral regurg, normal/hyperdynamic systolic function (reduced risk syncope)
DCM: LV > LA, mild mitral regurgitation, reduced systolic function (risk of syncope)
What breeds are predisposed to arrhythmogenic right ventricular cardiomyopathy?
BOXER
English Bulldog
Dogue de Bordeaux
What is seen on histopath of ARVC?
Loss of cardiomyocytes
Replaced with fat
What are the clinical sigs of ARVC?
Ventricular arrhythmias
May be asymptomatic
CHF - syncope, exercise intolerance
Sudden death
Which breeds are prediposed to atrial cardiomyopathy?
English Springer Spaniel
Labradors
Which breeds are prediposed to hypertrophic cardiomyopathy?
Terriers
Pointers
Golden Retrievers
Which breeds are predisposed to muscular dystrophy?
GSD
Golden Retriever
