Cardiac echo z-scores (Ped(z)-style, M-mode) is a cardiovascular tool commonly applied in Pediatrics. Haycock BSA, Pettersen 2008–style mitral and aortic annulus z-scores (polynomial ln(mean) vs BSA), and fractional shortening from LVEDD/LVESD—same broad role as Ped(z) M-mode / cardiac z-scores. Does not embed every normative source listed on pedz.de (Kampmann, Gautier, Koestenberger, etc.). Not affiliated with pedz… Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.