Figure 1From: Mapping Turnaround Times (TAT) to a Generic Timeline: A Systematic Review of TAT Definitions in Clinical Domains Literature Review. Starting with 1001 results coming from a Pubmed research we identified 174 relevant papers. In our review we then used 135 papers of which 122 contained a total number of 162 precise definitions. After classifying them according to their starting and end points we ended up with 61 definitions covering five clinical domains (ED = Emergency Department).Back to article page