[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.
Hereâs how you can do mail merge with Gmail: 1  Install the Mail Merge for Gmail add-on. Please watch the Mail merge tutorial for instructions. 2  This will create a new Google Spreadsheet. Go to the Add-ons menu in the sheet, select Mail Merge with Attachments and then select the Create Merge Tempalte menu. Open Google Contacts and create a new Group with all the contacts who you would like to send a personalized email.