Can duplex ultrasonography select appropriate patients for carotid endarterectomy?
Carotid duplex ultrasonography without angiography can reliably select lesions appropriate for surgery only when critical stenosis>or = 80% is chosen. Routine angiography is recommended for carotid stenosis of 50-79% when CEA is considered.
a telephone triage solution for the acute demands of influenza H1N1 demonstrated how patients had needs met telephonically while preserving medical access for others.