A huge thumb in the heart.
Division of Cardiology , NHI Ilsan Hospital , Goyang , Republic of Korea.
Se-Jung
SJ
Yoon
Division of Cardiology , NHI Ilsan Hospital , Goyang , Republic of Korea.
Dong Woon
DW
Jeon
Division of Cardiology , NHI Ilsan Hospital , Goyang , Republic of Korea.
Joo Young
JY
Yang
Cardiac Function