Microsoft Word TTLA ti?ng anh docx MINISTRY OF EDUCATION AND TRAINING INISTRY OF DEFENCE 108 INSTITUTE OF CLINICAL MEDICAL AND PHARMACEUTICAL SCIENCES NGUYEN THI KIEU LY RESEARCH ON LEFT VENTRICULAR TWIST, TORSION AND STRAINS BY SPECKLE TRACKING ECHOCARDIOGRAPHY IN CHRONIC HEART FAILURE Speciality Cardiology Code 62720141 ABSTRACT OF MEDICAL PHD THESIS Hanoi – 2022 THE THESIS WAS DONE IN 108 INSTITUTE OF CLINICAL MEDICAL AND PHARMACEUTICAL SCIENCES Supervisor 1 Ass Prof PhD Pham Nguyen Son 2 Ass.