Blood Pressure (image) Intermountain Medical Center Share Print E-Mail Caption Extreme ups and downs in systolic blood pressure may be just as deadly as having consistently high blood pressure, according to a new study from the Intermountain Medical Center Heart Institute in Salt Lake City. Credit Intermountain Medical Center Heart Institute. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.