A 56-year-old male is admitted to the intensive care unit (ICU) with a diagnosis of an acute descending thoracic aortic dissection. Which of the following echocardiographic findings is MOST helpful when distinguishing the true lumen from the false lumen?
A. The false lumen is usually smaller than the true lumen Wrong Choice!
B. The false lumen expands during systole Wrong Choice!
C. Intimal remnants (cobwebs) can often be seen in the true lumen Wrong Choice!
D. Color-flow Doppler pattern is in-phase with the cardiac cycle in the true lumen Correct Choice
Answer:D
A 56-year-old male is admitted to the intensive care unit (ICU) with a diagnosis of an acute descending thoracic aortic dissection. Which of the following echocardiographic findings is MOST helpful when distinguishing the true lumen from the false lumen?
A. The false lumen is usually smaller than the true lumen Wrong Choice! B. The false lumen expands during systole Wrong Choice! C. Intimal remnants (cobwebs) can often be seen in the true lumen Wrong Choice! D. Color-flow Doppler pattern is in-phase with the cardiac cycle in the true lumen Correct Choice