First, go to DML's website, dml.georgetown.edu, and select CINAHL. Sign in with personal account information into to start the process of saving a search and creating an email alert. Then search for a needed topic. Select Save Searches/Alerts from above Search History.
Select Save Searches/Alerts to view the screen below. The default view is "Save search". Select Alert and follow the directions provided to determine parameters for an email alert: