ECHO DeWitt Chapter 12: Cardiomyopathy Questions with Correct Answers

ECHO DeWitt Chapter 12: Cardiomyopathy
Questions with Correct Answers
What is the most common type of CMO? Correct Answer-Dilated CMO
(aka congestive CMO)


What is another name for dilated CMO? Correct Answer-Congestive
CMO


What is dilated CMO known for? Correct Answer-It's multi chamber
enlargement and decreased systolic and diastolic function.


What are the causes of dilated cardiomyopathy? Correct Answer-
Genetics,
infectious myocarditis,
Valvular heart disease (secondary)
hypertension (secondary)
Ischemia (secondary)
Arrythmia's
myocardial infarction
chronic alcohol or cocaine use
Toxins: metals such as lead
elevated iron levels
HIV
thiamine or zinc deficiencies

, cardiac infections
chemotherapy
neuromuscular disorders
endocrine diseases
peri-partum/postpartum or other causes.


Idiopathic (unknown origins)


What are the complications/signs & symptoms of dilated CMO? Correct
Answer-1. Heart failure and associated findings (dyspnea, orthopedia,
pulmonary edema)
2. Decreased cardiac output (tachycardia, fatigue, weakness,
hypotension)
3. Dysrhythmia's (palpitations, syncope, sudden death)
4. Regurgitant valves
5. Ischemia (i.e. chest pain)
6. Thrombus (usually on the left side)
7. Pericardial effusion
8. Infective endocarditis (rare)


Approximately 1/3 of people with dilated CMO is due to: Correct
Answer-Genetics (hereditary)t


What are the treatments for dilated CMO? Correct Answer-1. If
asymptomatic, no treatment.