Case four, a 21-year-old man comes to you because he is concerned that he might be at risk for sudden death. His identical twin brother died suddenly one month ago. An autopsy was unremarkable. No tissue or blood samples are available from his brother. Neither he nor his brother had any prior medical history or any symptoms. A sister died at four months of age from sudden infant death syndrome, SIDS. All of the following tests are appropriate except A, an electrocardiogram. B, a transthoracic echocardiogram. C, electrophysiology study with programmed electrical stimulation. D, exercise stress testing without imaging. E, genetic testing that is targeted based on the results of the clinical exam and non-invasive testing.

sudden death risk

genetic testing

electrocardiogram

exercise stress testing

transthoracic echocardiogram