• Bruit or thrill suggestive of a traumatic arteriovenous fistula • Expanding or pulsatile hematoma • Pulsatile or severe hemorrhage • Pulse deficit—pulses may be normal in patients with nonocclusive injuries that require surgical repair, such as intimal flaps or pseudoaneurysms • Thorough vascular and esophageal evaluation is required, even with minor neck wounds, if any abnormalities are evid...