Actor Kim SooHyun's heart sugery had been revealed recently.

Kim SooHyun wrote in his blog in August 2008 "I have many little diseases. I also have supraventricular tachycardia so I have to get surgery."

During a magazine interview in March 2010 he said, "It wasn't a big surgery. In the past my require a open thoracotomy, but now they don't do surgeries like that anymore. I'm healthy now."

Netizens commented, "He looks so healthy, but he was suffering from a heart disease", "I hope you're completely okay now", "Please take care of your body despite the busy schedule", etc.