The underlying mechanism of most ventricular tachycardias (VTs) after myocardial infarction (MI) is reentry involving areas of ventricular scar. Dense fibrous scars alone cannot cause arrhythmias; however, when surrounded by bundles of surviving myocytes in the peri-infarction zone, an arrhythmogenic substrate may arise. Areas of dense fibrosis intersperse with surviving myocardial bundles and ...

Class Origin, Family Culture, and Intergenerational Correlation of Education in Rural China This paper examines the determinants of intergenerational correlation of education in rural China by using a data from a large survey of households. Three generations who completed education during the period from pre-1949 to the beginning of the 2000s are included. The focus is on the influence of famil...

The current study explored gender differences in college students’ definitions and enjoyment of playful force and aggression. Ninety-six female and 55 male college students who were predominantly White (96%) and heterosexual (97%) answered questions about playful force during sex and playful aggression at other times. A content analysis showed that the current definitions were very similar to t...