The surgery was being performed Monday morning . An examination revealed several blocked arteries , a medical official said . The incident was not expected to disrupt a high - level Colombia - Venezuela summit Tuesday . Angelino Garzon was sworn into office on Saturday .
Heart surgery was being performed Monday morning . An exam revealed several blocked arteries , a hospital director said . The surgery was not expected to disrupt a high-level Colombia-Venezuela meeting Tuesday . Angelino Garzon was sworn into office on Saturday .