Our Experts

Name: Zhang Liyuan
Title: Associate chief technician
Email: zhangly@sysucc.org.cn

Dr. Zhang Liyuan, is an associate chief technician who engages in ECG diagnosis in the Department of Ultrasound Diagnosis and Interventional Treatment, at Sun Yat-sen University Cancer Center. Originally, she worked at Sun Yat-sen Memorial Hospital, SYSU, for the Department of Internal Medicine in 1984 and for the Electrocardiographic Room in 1987. She was promoted as an exceptional technician in charge in 1998 by virtue of her excellent work performances and remarkable scientific research. 

In 1999, as the ECG technical backbone, she was transferred to the Department of Ultrasound Diagnosis and Interventional Treatment at Sun Yat-sen University Cancer Center to work on ECG technology, strengthen the technical abilities of the Electrocardiographic Room and lead young doctors to improve their skills in ECG diagnosis and abilities in arhythmia diagnosis & differential diagnosis. She has obtained the Medical Practitioner's Qualification Certificate and been devoted to ECG diagnosis all these years. 

In 2011, she became an associate chief technician. Through her 27-year ECG technological profession, she has accumulated abundant work experience, acquired solid theoretical knowledge, been steadily proficient in ECG diagnosis reports, been adept at complex arhythmia diagnosis and differentiation, tackled a variety of difficult problems independently and played a backbone role in the Electrocardiographic Room. During her career, she has published over 30 papers as a lead author in public medical journals and core professional journals and undertaken one program funded by the National Natural Science Foundation of China, one project of Guangdong Provincial Natural Science Foundation and projects of Guangdong Provincial Department of Health. On April 8, 2011, she attended the 13th South China International Congress of Cardiology and gave a lecture on The Common ECG Expressions of Myocardial Damage of Chemotherapy Drugs.

Internal medicine and ECG diagnosis and knowledge of cardiovascular medicine.

09/1981-07/1984 Studied in Health School of former Zhongshan Medicine School

09/2002-07/2006 Majored in Medical Imaging, School of Continuing Education, SYSU

03/2007-2010 Majored in Clinical Medicine in School of Continuing Education, SYSU and received the Bachelor’s Degree in Clinical Medicine


1.12/2012 100 Case clinical analysis of QRS wave voltage reduction for patients with malignant tumor during chemotherapy.Lingnan Journal of Emergency Medicine.

2.2011 Occurrence of arrhythmia in patients with esophageal cancer during combined treatment.International Medicine and Health Guidance News, Issue23.

3.08/2011 Analysis of combined electrocardiographic QRS alternans in malignant tumor patients.Chinese Journal of Prevention and Control of Chronic Diseases.

4.06/2011 Clinical analysis of the arrhythmia of 300 patients with nasopharyngeal carcinoma.Lingnan Journal of Emergency Medicine.

5.10/2010 Changes of ECG during chemotherapy in patients with malignant tumor.Chinese Journal of Cardiac Pacing and Electrophysiology.

6.08/2010 Study on the change of ECG after chemotherapy and radiotherapy in treatment of patients with breast cancer.Chinese Journal of Primary Medicine and Pharmacy.

7.08/2010  Clinical analysis of the arrhythmia of 1000 patients with malignant tumor.Lingnan Journal of Emergency Medicine.

8.01/2008 Clinical analysis of 500 cases of malignant tumor complicated with ECG low voltage.Guangdong Medical Journal.

9.9.08/2006 Analysis of electrocardiogram of 1000 patients with malignant tumors during the treatment period.Lingnan Journal of Emergency Medicine.

10.10/2004 Electrocardiogram expressions caused by some tumors.Practical Journal of Cardiac Cerebral Pneumal and Vascular Disease.

11.03/2003 Analysis of ECG in patients with lung cancer during the treatment.Chinese New Medicine.

12.08/2001 Analysis of electrocardiogram in 120 patients with breast cancer chemotherapy.The Journal of Practical Medicine.

13.05/2000 Analysis of acute myocardial infarction and ventricular arrhythmia.Journal of Clinical Eletrocardiology.

14.11/1999 Analysis of ECG in 316 cases of middle-aged and elderly patients.Journal of Practical Electrocardiology.

15.09/1999 Development of heart rate variability computer system.Modern Medical Equipment and Application. 

16.05/1999 ECG ST-segment elevation and ST-T normalization of myocardial ischemia induced by exercise test.Journal of Clinical Eletrocardiology.

17.1990-1998 More than ten published papers

Updated March 2021 by International Office, Sun Yat-sen University Cancer Center

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