Doctor draws diagrams before carrying out surgery

Cheng Zhaoyun, 55, vice-president of Central China Fuwai Cardiovascular Hospital in Zhengzhou, Henan province, has a habit of drawing schematic diagrams before carrying out surgeries on patients with heart disease.

The habit started since he returned to China after studying in Australia in the second half of 2000.

Up to now, more than 4,000 hand-drawn patients' schematic diagrams are housed in his office, recording the surgeries of coronary artery bypass grafting (CABG) in the past 18 years.

The colorful schematic diagrams show the detailed information of different patients, Cheng said.