GRUEL 发表于 2025-3-28 15:42:11
Physical and Technical Principles of Doppler Sonography,tilized for the first time to capture intra-corporeal movements in the middle of the 20th century. During these initial experiments, Satomura first used an ultrasound beam focused on the heart to measure the contractile movements of the myocardium and later demonstrated that this method can also be