![Fig. 4. Overlap index is indicated. Overlap index =[overlap (mm)/CCA diameter (mm)]× 100. a = overlap of common carotid artery (CCA) and internal jugular vein (IJV) (mm); b = CCA diameter (mm).](https://asa2.silverchair-cdn.com/asa2/content_public/journal/anesthesiology/103/6/10.1097_00000542-200512000-00006/4/6ff4.png?Expires=1716567207&Signature=MIUAPYrn4UAr3rN0jxJ19hvI9erUWX04OLLu6ltd7qC4PirfdLVIkGiUcsJPzIzZD5nBwq3E3Zd6aWRpS1spRcwIL7iviYQyu0lN~s5oA56cvM5-7CjIKxnmVTpnHr78nBxOjonznIZ4JXAMS-qKvOjU8s6u~6qM95bRlKdiYcHdJXBMNyuGqu07DDVwPUZoJRROsRytL04faGDiPelYr7UsdV~A0OIlHfdCCW4inqDlPquqO0SRlp0ix9R-N0Zgd6C1~wQlmK9YsOdx4Pe2WSf2r7ZiPnSuO1NZ86Jw1egGpoluF2iuYngCJwO0x1lrhw5wrpeF03p5LUlMRmGkcw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
Fig. 4. Overlap index is indicated. Overlap index =[overlap (mm)/CCA diameter (mm)]× 100. a = overlap of common carotid artery (CCA) and internal jugular vein (IJV) (mm); b = CCA diameter (mm).
Fig. 4. Overlap index is indicated. Overlap index =[overlap (mm)/CCA diameter (mm)]× 100. a = overlap of common carotid artery (CCA) and internal jugular vein (IJV) (mm); b = CCA diameter (mm).
