Surgery A 75-year-old man is found by his internist to have an asymptomatic carotid bruit. The best initial diagnostic examination would be A Transcranial Doppler studies B Doppler ultrasonography (duplex) C Spiral CT angiography D Arch aortogram with selective carotid artery injections 💡 Explanation A 75-year-old man is found by his internist to have an asymptomatic carotid bruit. The best initial diagnostic examination would be ✓ Correct Answer: B. Doppler ultrasonography (duplex)