HRCR October 2020 Quiz

Editorial note: The following quiz is related to the article How to use intracardiac echocardiography to identify ventricular tachycardia substrate in ischemic cardiomyopathy by Briceño and colleagues from the October 2020 issue of Heart Rhythm Case Reports.

Question 1: What are the hallmarks of ventricular tachycardia substrate in ischemic cardiomyopathy defined by intracardiac echocardiography (ICE)?

a. Identification of hypertrophy surrounding the papillary muscles
b. Hypokinesis or akinesis associated with thinning and hyperechogenicity that corresponds to a coronary territory and correlates with voltage and electrogram abnormalities
c. Hyperkinesis associated with thinning and hyperechogenicity that corresponds to a coronary territory and correlates with voltage and electrogram abnormalities
d. ICE is only useful in patients with non-ischemic cardiomyopathy

Question 2: Intracardiac echocardiography can be used for:

Question 3: Which of the following is true regarding intracardiac echocardiography?

Question 4: Intracardiac echocardiography can suggest ventricular tachycardia substrate in which location?