A 22-year-old woman comes to the physician for a 4-day history of shortness of breath on exertion and swelling of her feet. She has no past medical history apart an upper respiratory tract infection two weeks that self-resolved. Vitals are: temperature is 98.6 F, HR 110, RR 22, BP 85/60. Cardiopulmonary examination shows JVD, bibasilar crackles in the lung fields, and a point of maximal impulse in the anterior axillary line. There is an S3 heart sound. Echocardiography is most likely to show which of the following?
Acute decompensation of bicuspid aortic valve
Asymmetric septal hypertrophy
Ballooning and dyskinesia of left ventricular apex
Dilation of the ventricles with diffuse hypokinesia
Preserved ejection fraction
