Measuring the Radial Component of Left Ventricular Strain with Circular Tagging: Feasibility and Initial Results.

Keywords

accuracy acquisition advantages agreement appeared automatic axis band bandwidth basis biomedical branch breath calculation cardiac characterization circular circularly circumferential comparable component compression computational computations constant contours coordinate cost cropped crucial cycle deformed delineated detailed determined development differentiation dimensional directly divided ejection elsewhere encoding engineering estimation existing expected extended extracted facilitated faster feasibility filtering findings five frame free frequency general global grid harmonic harp healthy held homogeneous human initial investigators likely local manually measure measured measuring medical metabolic middle myocardium need original originally output overlaid pass patterns peak physiological pixel plotted polar polytechnic positions potential practicality previously proposed qualitative radial radiology reflected regional report reported representative represents resolved sections segment segments separation septum sequential short simpler since slice slightly solutions space spatial spectral strain suggest system systole systolic tagged tagging thickening though tracking trio underestimate ventricle ventricular view volunteer volunteers wall