DMVD

Question 1

What is the most common cause of left apical systolic murmurs in old small dogs?

Answer 1

Mitral regurgitation due to myxomatous (degenerative) mitral valve disease

Question 2

What clinical signs are associated with MMVD?

Answer 2

Dyspnea
Tachypnea
Increased lung sounds/crackles
Grade V/VI left apical systolic murmur

Question 3

What is a normal VHS ind ogs?

Answer 3

<10.7
Big > 11.5

Question 4

What is a normal VLAS in dogs?

Answer 4

< 2.3
Big > 2.8

Question 5

Whys is it important to check blood pressure in dogs with MMVD?

Answer 5

Systemic hypertension can increase LV afterload and worsen mitral insufficiency

Question 6

What is the chronic management of CHF in dogs with MMVD?

Answer 6

Low sodium diet
ACEi
Furosemide
Spironolactone
Pimobendan

Question 7

Stage A MMVD

Answer 7

At risk breeds with no current disease
No treatment

Question 8

Stage B1 MMVD

Answer 8

MMVD without cardiac remodeling
No treatment

Question 9

Stage B2 MMVD

Answer 9

MMVD with significant cardiac remodeling without CHF
Pimobendan 0.3mg/kg

Question 10

Stage C MMVD

Answer 10

MMVD with CHF
DAFSP treatment

Question 11

Stage D MMVD

Answer 11

Refractory CHF
DAFSP treatment, up-titrate furosemide as needed