A 33-year-old male is brought to emergency for a 20-minute history of excruciating chest pain radiating to the back between his scapulae. He has no past medical history. He has been using cocaine since college. His father is 72 years old and has congestive cardiac disease. Which of the following findings is most likely to be seen in this patient?
2/6 crescendo-decrescendo murmur
2/6 mid-systolic click
3/6 early-diastolic murmur
3/6 holosystolic murmur
4/6 rumbling diastolic murmur
6/6 murmur