Cardiomyopathy Questions with Correct Answers

Cardiomyopathy Questions with Correct Answers
Generally, what are the cardiomyopathies? Correct Answer-Group of
myocardial diseases that cause cardiac dysfunction (either systolic or
diastolic)


What are the three types of cardiomyopathy? Correct Answer-Dilated
Hypertrophic
Restrictive


Dilated cardiomyopathy:
How common is it? Correct Answer-Most common cardiomyopathy


Dilated cardiomyopathy:
What is the cause of it? Correct Answer-Most often not known, but
possible causes:
Genetic mutations
Late complication of myocarditis (Most common known cause)
Alcohol abuse
Drugs
Pregnancy


Dilated cardiomyopathy:
How would alcohol abuse cause this? Correct Answer-2 possible ways:
Direct toxic affect to myocardium

, Cause thiamine deficiency


Dilated cardiomyopathy:
What drugs can cause this? Correct Answer-Doxorubicin, Daunorubicin
(chemo drugs)
Cocaine


Dilated cardiomyopathy:
When in pregnancy can this develop? Correct Answer-Third trimester,
or soon postpartum


Dilated cardiomyopathy:
What changes are seen pathologically? Correct Answer-Dilation of all
four heart chambers


Dilated cardiomyopathy:
What does dilation cause pathophysiologically? Correct Answer-
Dilation causes too much myofiber stretch, reducing the systolic
function of the heart
-Biventricular Heart Failure with reduced EF


Dilated cardiomyopathy:
As the heart is dilating, what valvular defects can develop? Correct
Answer-Function mitral and tricuspid regurgitation can develop
-Heart is too dilated for them to close properly