Read the following excerpt from a patient's health record: history of present illness: sharon jackson is a 12-month-old female with a history of vsd first discovered on echocardiogram shortly after birth. she has been followed by cardiology. she had been hemodynamically stable until the past month, when her parents noticed that she had increased difficulty eating. she would sweat after eating and become cyanotic with exertion. her mother followed up with sharon's cardiologist, who sent her to our office for consult. according to this patient's medical history, which of the following statements is not true? - sharon's mother took her to a heart specialist- sharon had an echo that revealed a flaw in the septum that divides the two upper chambers of the heart- sharon had symptoms consistent with a lack of oxygen after she exerted herself- sharon's skin became bluish in color after physical exertion