The age of bamboo is a key factor that affects its mechanical properties.Bamboo Guadua angustifolia kunt (Guadua a.k.) has been used as a construction material in America, but the influence of the age and height position of the culm on the mechanical properties has not been studied in detail.In this study, selected mechanical properties of Guadua a

BackgroundAbnormalities of the mitral valve (MV) apparatus are typical features of hypertrophic cardiomyopathy (HCM).These abnormalities include leaflet elongation, thick leaflets, displacement of papillary muscle, and systolic anterior motion (SAM) of the MV anterior leaflet.Mitral valve chordal rupture associated with HCM is a rare but serious is