24 Questions
Which type of cardiomyopathy is characterized by diastolic dysfunction?
Hypertrophic cardiomyopathy
What is the most common type of cardiomyopathy?
Dilated cardiomyopathy
Which genetic mutation is associated with Dilated Cardiomyopathy?
Mutation in TTN
What is the histological feature commonly seen in Dilated Cardiomyopathy?
Myocyte hypertrophy
Which type of cardiomyopathy shows LV hypertrophy with asymmetrical thickening of muscles?
Hypertrophic cardiomyopathy
Which type of cardiomyopathy is associated with infiltration or fibrosis of ventricles without chamber enlargement?
Restrictive cardiomyopathy
What is the characteristic feature of Dilated Cardiomyopathy on histology?
Interstitial fibrosis
Which type of cardiomyopathy results in dysfunction of ventricular contraction?
Dilated cardiomyopathy
What is the common symptom associated with heart failure in Dilated Cardiomyopathy?
Shortness of breath
Which chamber enlargement is observed in Dilated Cardiomyopathy?
All chambers
What is the characteristic feature of Hypertrophic Cardiomyopathy on echocardiography?
Asymmetrical septal hypertrophy
Which type of cardiomyopathy is associated with mutations in genes that code for cardiac cytoskeletal, myofibrillar, and nuclear membrane proteins?
Dilated cardiomyopathy
Which of the following is a recognized cause of dilated cardiomyopathy?
Alcohol
What is the most likely diagnosis for a patient with dyspnea, lower extremity edema, low-voltage QRS complexes, markedly increased ventricular thickness, enlargement of both atria, and a normal left ventricular ejection fraction?
Cardiac amyloidosis causing restrictive cardiomyopathy
Which of the following is a recognized cause of hypertrophic cardiomyopathy?
Hypertension
What is the most common mutation associated with hypertrophic cardiomyopathy?
MYBP and MYH7
Which of the following is a recognized complication of hypertrophic cardiomyopathy?
Sudden cardiac death
What is a distinguishing feature of restrictive cardiomyopathy on an electrocardiogram (ECG)?
Low voltage QRS complexes
Which of the following is a recognized cause of restrictive cardiomyopathy?
Amyloidosis
What is the pathologic hallmark of arrhythmogenic right ventricular cardiomyopathy?
Myocardial thinning with fibrofatty deposits
Which of the following is a recognized symptom of Takotsubo cardiomyopathy?
Chest pain
What is the most likely diagnosis for a patient with stress-induced cardiomyopathy, severe emotional or physical events, and no significant coronary artery stenosis?
Takotsubo cardiomyopathy
Which of the following is a recognized cause of arrhythmogenic right ventricular cardiomyopathy?
Myocyte necrosis
What is the gold standard for the demonstration of amyloid in tissue sections?
Congo red stain with apple green birefringence under polarized light
Test your knowledge of cardiomyopathy with this quiz. Learn about the diverse types of this heart muscle disorder, including dilated, hypertrophic, restrictive, arrhythmogenic, and unclassified cardiomyopathy. Gain insights into the anatomic appearances and pathogenesis of various cardiomyopathies.
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