Magnetic Resonance Imaging Assessment of Short-Axis Cardiac Function by MRI Request inclusion into relevant ontology. Perhaps in the CPT. MRI of Short-Axis Cardiac Function This measure is a magnetic resonance imaging (MRI) method of capturing an individual's heart performance, and is considered the gold standard for capturing ventricular volumes and mass. It is used to detect cardiac abnormalities, such as cardiomyopathies, myocardial fibrosis, and infarction. None http://www.phenxtoolkit.org/toolkit_content/supplemental_info/scd_cardio_pulm_renal/measures/Short_Axis_Function_20May2015.doc Heart Function Test