Cardiomyopathy

Question 1

What drug causes dilated cardiomyopathy?

Answer 1

doxorubicin

Question 2

What type of dysfunction of dilated cardiomyopathy cause?

Answer 2

systolic dysfunction

Question 3

Women can get dilated cardiomyopathy due to…

Answer 3

pregnancy

Question 4

3 types of cardiomyopathy

Answer 4

dilated (systolic dysfunction)

hypertrophic (diastolic dysfunction)

restricted (diastolic dysfunction)

Question 5

How does dialated cardiomypathy affect valves?

Answer 5

can cause aortic insufficiency

pulls valve leaflets apart

Question 6

Hypertrophic cardiomyopathy

pathology

Answer 6

massive hypertrophy of left ventricle

Question 7

Typical case of hypertrophic cardiomyopathy

Answer 7

young athlete that drops dead

Question 8

Biopsy of heart from hypertrophic cardiomyopathy

Answer 8

“myofiber hypertrophy with disarray”

fibers going all different directions

Question 9

Syncope in hypertrophic cardiomyopathy

Answer 9

hypertrophy of ventricular septum can block off opening to aortic valve

Question 10

Classic finding of restrictive cardiomyopathy

Answer 10

low-voltage EKG with dimished QRS amplitude

Question 11

Restrictive cardiomyopathy

pathology

Answer 11

decreased compliance of the ventricular endomyocardium

restricts filling during diastole

ie amyloidosis, sarcoidosis, endocardial fibroelastosis (children), Loeffler syndrome (endomyocardial fibrosis with eosinphilic infiltrate and eosinophilia)