Chapter 11: Myocardial Disease

Question 1

Heart disease not due to valves, CAD, or hypertension,

but to primary disease of the heart muscle

Answer 1

Myocardial Disease

Question 2

Inflammation in heart muscle with injury and necrosis of individual heart muscle fibers

Answer 2

Myocarditis

Question 3

What usually causes myocarditis in the U.S.?

Answer 3

viruses (especially Coxsackie)

Question 4

True or false: Myocarditis usually has gradual onset.

Answer 4

False; acute onset

Question 5

How do you treat myocarditis?

Answer 5

Wait for it to clear up.

Question 6

Diseases of heart muscle itself; no evidence of inflammation; causes may be unknown

Answer 6

Cardiomyopathy

Question 7

What are the two types of cardiomyopathy?

Answer 7

1) Dilated cardiomyophathy

2) Hypertrophic cardiomyopathy

Question 8

Type of cardiomyopathy with enlargement and dilatation of chambers; pumping action
of ventricles impaired, leading to chronic heart failure.

Answer 8

Dilated cardiomyopathy

Question 9

What causes 40% of sudden death in athletes?

Answer 9

Hypertrophic cardiomyopathy

Question 10

True or false: Hypertrophic cardiomyopathy is hereditary.

Answer 10

True

Question 11

What is the prognosis of myocarditis?

Answer 11

Usually recover, but sometimes leads to heart failure.

Question 12

Type of cardiomyopathy in which the heart has thickened ventricular walls that impair blood flow into the aorta and cause the L ventricle to not fill and not eject blood well.

Answer 12

hypertrophic cardiomegaly

Question 13

What other species is also prone to hypertrophic cardiomegaly?

Answer 13

Maine coon cats

Question 14

How is hypertrophic cardiomegaly diagnosed?

Answer 14

echocardiogram