18 Questions
What is the result of inflammation and rapid degeneration of myocardial fibers in cardiomyopathy?
Ventricle hypertrophy and reduction in blood pumping
What is the characteristic of eccentric hypertrophy in dilated cardiomyopathy?
Sarcomeres added in series
What is the most common known cause of dilated cardiomyopathy?
Myocarditis
What is the effect of decreased ventricle contractility in cardiomyopathy?
Reduced blood pumping
What is the characteristic of wet Beriberi, a type of cardiomyopathy?
Edema and congestive heart failure
What is the result of stagnation of blood in dilated heart chambers in cardiomyopathy?
Heart failure
What is the primary cause of fluid accumulation in the tissues in cardiomyopathy?
The heart's inability to pump blood effectively
Which of the following changes is specific to dilated cardiomyopathy?
None of the above
What is the characteristic feature of hypertrophic cardiomyopathy?
Marked ventricular hypertrophy
What is the usual ejection fraction in dilated cardiomyopathy?
55%
What is the result of systolic dysfunction in dilated cardiomyopathy?
Decreased stroke volume
What is the characteristic heart sound finding in dilated cardiomyopathy?
Left- and right-sided S3 and S4 heart sounds
What is the main cause of outflow obstruction in obstructive hypertrophic cardiomyopathy?
Hypertrophy of the interventricular septum
What is the result of muscle thickening in the left ventricle in hypertrophic cardiomyopathy?
Decreased compliance
What is the typical location of obstruction to blood flow in hypertrophic cardiomyopathy?
Below the aortic valve
What is the consequence of aberrant myofibers in the conduction system in hypertrophic cardiomyopathy?
Fatal arrhythmias
What is the result of decreased preload in hypertrophic cardiomyopathy?
Murmur intensity increases
What is the characteristic histological finding in hypertrophic cardiomyopathy?
Muscle fiber hypertrophy and interstitial fibrosis
Test your knowledge on cardiomyopathy, a group of diseases that affect the myocardium, leading to myocardial dysfunction. This quiz covers the different types of cardiomyopathy, including dilated, restrictive, and hypertrophic cardiomyopathy, as well as their pathophysiology.
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