Echocardiography Chapter 5: Clinical Indications and Quality Assurance

Question 1

What is the definition of sensitivity?
a) degree to which all participants that test positive for a given condition are found
b) degree to which all participants that test negative for a given condition are found
c) the percentages of all participants that test negative that TNs represent

Answer 1

a) degree to which all participants that test positive for a given condition are found

Source: Otto

Question 2

Which procedure is the gold standard for comparing echocardiographic accuracy to?

Answer 2

intracardiac echo

not sure about this one

Question 3

T/F

Accuracy is defined as comparison between a numerical measurement and a reference standard.

Answer 3

True

Question 4

A test with excellent positive predictive value has:
a) >10
b) >3-4
c) <10
d) 0.2

Answer 4

a) >10

Question 6

T/F

3D echocardiography is part of standard protocol and is done for all patients.

Answer 6

False, 3D is recommended when feasible