[PSV = peak systolic velocity; EDV = end diastolic velocity; ICA = internal carotid artery; CCA = common carotid artery] 1  normal: ICA PSV is <125 cm/sec and no plaque or intimal thickening is visible sonographically. < 2 50% ICA stenosis: ICA PSV is <125 cm/sec and plaque or intimal thickening is visible sonographically.
Mail merge is a process to create personalized letters and pre-addressed envelopes or mailing labels for mass mailings from a form letter â a word processing document which contains fixed text, which will be the same in each output document, and variables, which act as placeholders that are replaced by text from the data source.
Using Excel to perform a mail merge requires: 1  A range that contains the data to be merged. 2  In the example, this is on the sheet named Data. 3  A range that contains the text. 4  In the example, this is on the sheet named Form. 5  A cell that contains the row number of the current record..