Cardio Review 2 Flashcards
(46 cards)
What will you hear on auscultation of an atrial septal defect?
Low grade murmur d/t low blood flow velocity
Are atrioventricular septal defects more common in cats or dogs?
Cats
Are AV valve malformations more common in cats or dogs?
Cats
Which dog breeds are predisposed to tricuspid valve malformations?
Labs, boxer, GSD
Which dog breeds are predisposed to mitral valve malformations?
Great dane, GR, Newfoundland
What type of AV valve malformation is most common?
Regurgitation
When regurgitation is severe, the corresponding ventricle is usually _____
Small
Tricuspid valve malformations cause what type of hypertrophy and which side of the heart is affected?
R eccentric (volume)
Mitral valve malformations cause what type of hypertrophy and which side of the heart is affected?
L eccentric (volume)
What type of murmur will you hear with AV valve malformations?
Atypical systolic murmur
How do you treat tricuspid valve malformations?
ACE inhibitors (or BV for stenosis)
Causes a splintered QRS complex
Tricuspid valve malformations
How do you dx tricuspid and mitral valve malformations?
Tricuspid = echo Mitral = radiographs
How do you treat LVOT assoc. w/mitral valve disease?
Beta blockers
What is the 2nd most common acquired disease in dogs?
DCM
What is the most common heart disease in cats?
HCM
What dog breed has the highest prevalence of DCM and why?
Dobermans have PDK4 + NCSU DCM2 mutations
Which dog breed has a juvenile onset of DCM?
Portuguese water dogs
Which cat breeds is HCM heritable and why?
Maine Coon, ragdoll, DSH have mutation in myosin binding protein C
What is the most common presenting sign of HCM?
Dyspnea/tachypnea
What type of hypertrophy does DCM cause and which side of the heart is affected?
L eccentric (volume)
What heart sound will DCM produce in CATS?
Gallop
What heart sound will HCM produce in cats?
L systolic murmur, gallop
How do you diagnose HCM in an asymptomatic cat (incidental finding)?
Wall thickness >6mm (echo)
