Dr. Ma Yuzhen is an attending physician in the Emergency Department with a background in internal medicine. She graduated from Weifang Medical University and has received advanced training at the PLA 960 Hospital. Dr. Ma is skilled in diagnosing and treating common and complex internal medicine conditions, particularly in emergency settings. She has extensive experience with ventilators, establishing artificial airways, and managing critical patients, including those with epilepsy, acute heart failure, respiratory failure, myocardial infarction, and stroke.