Figure 1
Presenting electrocardiogram showed T-wave inversions in the inferior leads.
Figure 2
Coronary artery catheterization revealed a (A) dominant right coronary artery, (B) left anterior descending artery with no flow-limiting lesions, and (C) left circumflex artery and obtuse marginal branch with no flow-limiting disease.
Figure 3
Echocardiogram demonstrated left ventricular outflow tract dynamic obstruction of 85 mm Hg.
Video 1
Echocardiogram of parasternal long axis view showing systolic anterior motion of the mitral valve, also at https://youtu.be/EkWdKnCE_zI.