Cardiomyopathies

Question 1

What type of mitral valve dysfunction is seen in dilated cardiomyopathy?

Answer 1

Carpentier IIIb

Restricted leaflet motion in systole due to outward displacement of the papillary muscles

Question 2

What type of cardiac dysfunction is seen in dilated cardiomyopathy?

Answer 2

Systolic dysfunction (100% of patients)

Question 3

What type of cardiac dysfunction is seen in hypertrophic cardiomyopathy?

Answer 3

Diastolic dysfunction (100% of patients)

Question 4

What type of cardiac dysfunction is seen in restrictive infiltrative cardiomyopathy?

Answer 4

Diastolic dysfunction (100% of patients)

Question 5

What part of the LV wall is usually spared in hypertrophic cardiomyopathy?

Answer 5

The basal inferolateral wall

Question 6

What CWD profile is consistent with HCM?

Answer 6

Late-peaking/dagger-shaped spectral doppler profile

Question 7

What is seen on M-mode through the AV LAX in HCM?

Answer 7

Coarse fluttering of AV leaflets with premature systolic closure

Question 8

What is the most common cause of restrictive infiltrative cardiomyopathy?

Answer 8

Amyloidosis (beta-amyloid infiltration)

Question 9

How to distinguish an unroofed septal perforator from a VSD after myectomy?

Answer 9

Septal perforator: diastolic flow

VSD: systolic flow

Question 10

What is Loeffler endocarditis in chronic eosinophilic leukemia?

Answer 10

Biventricular organized thrombus