myocarditis 2

Question 1

adult cases of acute myocarditis often

Answer 1

present with heart failure with or without cardiogenic shock.

Question 2

Cause of myocarditis.

Answer 2

1. viruses (coxsackie B)
2. Hypersensitivity to drugs (anthracyclines and other chemotherapeutic agents most common)
3. Systemic inflammatory diseases (such as systemic lupus erythematosus)
4. bacteria
5. fungal infection
6. autoimmune reaction

Question 3

Peripartum cardiomyopathy

Answer 3

1. begins the last month of pregnancy or within 5 months after pregnancy
2. often resolves but may proceed to a serious cardiomyopathy.

Question 4

acute myocarditis physical findings

Answer 4

1. S3
2. pulmonary congestion or peripheral edema
3. cardiac dilation can present mitral or tricuspid insufficiency murmurs.
4. Increased troponins ressembling findings in acute myocardial infarcts.
5. EKG changes
6. Echo to confirm

Question 5

Acute myocarditis Echo shows

Answer 5

global or diffuse ventricular dysfunction and are very useful in confirming that a myocardial process is present.

Question 6

acute myocarditis tx

Answer 6

1. if with HF, use BB or ACEI
2. sometime inotropic
3. if infection, tx infection
4. if underlying problem treat underlying problem (like lupus)

Question 7

3 types of cardiomyopathy

Answer 7

1. dilated cardiomyopathy
2. hypertrophic cardiomyopathy
3. restrictive cardiomyopathy

Question 8

most common type of cardiomyopathy

Answer 8

dilated cardiomyopathy

Question 9

In hypertrophic cardiomyopathy the left ventricle is

Answer 9

hypertrophied but not dilated, and there often is disproportionate hypertrophy of the septum

Question 10

In restrictive cardiomyopathy there is

Answer 10

infiltration or fibrosis of the ventricles, usually without dilatation.

Question 11

If ventricular asynchrony is present, often due to

Answer 11

left bundle branch block, biventricular pacing may be helpful in refractory cases.

Question 12

hypertrophic cardiomyopathy is

Answer 12

rare and strong genetic component (auto dominant)

Question 13

In hypertrophic cardiomyopathy, the left ventricle is

Answer 13

1. hypertrophied but not dilated.

2. muscle fibers and collage matric are disorganized