: A file named ECHOPLEX.rar in a medical or academic database may contain a collection of DICOM images or echocardiographic data used for studying heart conditions.

: These archives often support studies on Speckle-Tracking Echocardiography , providing high-resolution longitudinal strain data for prognostic use. 3. Scientific and Research Tools

: Researchers use these data sets to evaluate Right Atrial Remodeling (RAR), which serves as a critical marker for disease progression in patients with heart failure or tricuspid regurgitation.

"RAR" also stands for , an ultrasound-based technique.