iElastance is an application designed for calculate Ventricular Elastance, Arterial Elastance and Ventricular-Arterial Coupling using Echocardiographic derived values in a single beat determination.
This application is extremely useful to a variety of health care givers such as Cardiologists, Intensivists, Anesthesiologist and more who want to calculate ventricular arterial coupling even in the Critical Care setting and, above all, bedside.

The variables needed for the calculator to work are:

Systolic Blood Pressure (mmHg)
Diastolic Blood Pressure (mmHg)
Stroke Volume (ml)
Ejection Fraction (%)
Pre Ejection Time (msec)
Total Ejection Time (msec)

Formulas are validated and extracted from the article by Chen CH et Al J Am Coll Cardiol. 2001 Dec;38(7):2028-34.

DISCLAIMER: The calculator provided is not meant to be a substitute for professional advice and is not to be used for medical diagnosis. Extensive effort has been exerted to make this software as accurate as possible; however the accuracy of information provided by this software cannot be guaranteed. Health care professionals should use clinical judjement and individualize therapy to each patient care situation. All rights reserved - 2013 Pietro Bertini - Department of Cardiothoracic Anesthesia and Intensive - University Hospital of Pisa - Dr. Fabio Guarracino, Head of Department

What’s New

Version 2.01

This app has been updated by Apple to use the latest Apple signing certificate.

Bug fix.
Major style review.
EF now can be filled as % nor a fraction.

App Privacy

The developer, Pietro Bertini, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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