Preferred Label : Unable to Obtain Satisfactory Vascular Access; 
NCIt definition : The coronary sinus / left ventricular lead was not implanted because the operator
               was unable to obtain satisfactory vascular access. (ACC); 
Alternative definition : CDISC: The coronary sinus/left ventricular lead was not implanted because the operator
               was unable to obtain satisfactory vascular access.; 
         
         
            Origin ID : C100027; 
UMLS CUI : C3272271; 
 Semantic type(s) Semantic type(s)
 concept_is_in_subset concept_is_in_subset