Dr. Zhang Dongcheng has over 20 years of clinical experience in internal medicine, having trained multiple times at renowned domestic hospitals in cardiology. He specializes in the treatment of acute myocardial infarction, various arrhythmias, heart failure, strokes, various poisonings, chest pain, abdominal pain, comatose patients, and respiratory failure. He is particularly skilled in managing critically ill patients with cardiovascular and cerebrovascular emergencies.

In 2007, he won the second prize in the hospital-level technical competition and was recognized as an advanced individual in 2013. In 2017, he published a paper titled "Clinical Study of Aortic Dissection in Cardiovascular Emergencies," and in 2018, he authored "Diagnosis and Comprehensive Treatment of Internal Medicine Diseases."