How to Obtain a Left Ventricular Fractional Shortening with the Butterfly iQ May 18, 2021 0 0 Dr. Voscopoulos, of Medical Specialists Associates shows how, using the Butterfly iQ scanner, to obtain a left ventricular fractional shortening. Video Content Expand All How to Obtain a Left Ventricular Fractional Shortening with the Butterfly iQ 1 Quiz Expand Lesson Content Quiz