8.6 - Cardiomyopathy

Question 1

dilated cardiomyopathy is due to dilation of which chambers of the heart?

Answer 1

all 4

Question 2

does dilated cardiomyopathy result in systolic or diastolic dysfunction?

Answer 2

systolic

Question 3

what are the complications of dilated cardiomyopathy?

Answer 3

• mitral valve regurg
• tricuspid valve regurg
• arrhythmia

Question 4

hypertrophic cardiomyopathy is due to genetic mutations in __________________

Answer 4

sarcomeric proteins

Question 5

what is the inheritance of hypertrophic cardiomyopathy?

Answer 5

AD

Question 6

what are the clinical features of hypertrophic cardiomyopathy?

Answer 6

• decreased CO
• sudden death due to ventricular arrhythmia
• syncope with exercise (functional aortic stenosis)

Question 7

biopsy reveals myofiber hypertrophy with disarray - diagnosis?

Answer 7

hypertrophic cardiomyopathy

Question 8

what is loeffler syndrome? what can it lead to?

Answer 8

• endomyocardial fibrosis with an eosinophilic infiltrate and eosinophilia
• restrictive cardiomyopathy

Question 9

how does restrictive cadiomyopathy present?

Answer 9

CHF

Question 10

what is the classic ECG finding in restrictive cardiomyopathy?

Answer 10

low voltage ECG with diminished QRS amplitude

Question 11

low voltage ECG with diminished QRS amplitude - diagnosis?

Answer 11

restrictive cardiomyopathy