Untitled Quiz

Editorial note: The following quiz is related to the article The approach to pediatric syncope with exercise by Malloy-Walton, et al, which appeared in the October 2019 issue of HeartRhythm Case Reports.

1. The most common cause of syncope is

a. Exercise related
b. Breath holding spell
c. Vasovagal
d. Arrhythmia

2. Which of the following does not necessarily require additional cardiac workup?

a. Syncope during peak exercise
b. Syncope without associated cardiac symptoms that had a prodrome
c. A family history of unexplained death (cardiac arrest)
d. Syncope with an abnormal cardiovascular examination and/or structural heart disease

3. LQTS should be suspected in the presence of which of the following in the absence of acquired causes

a. A QTc ≥ 480 ms on repeated 12 lead ECGs
b. A QTc between 480-499 ms in repeated 12-lead ECGs in a patient with unexplained syncope
c. Presence of a risk score ≥ 2 on the modified Schwartz scale
d. Presence of a variant of unknown significance with genetic testing