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Answered By: Anna Phan Last Updated: Mar 25, 2016 Views: 213
The first video explains how to "identify and interpret the graduation markings on an aneroid sphygmomanometer dial" and "determine systolic and diastolic blood pressure by reading the dial and listening to Korotkoff sounds."
Once you are done watching the video, try the practice activity at http://aheta.org/ispring/index.html
The second video is about understanding what a blood pressure reading means.