RT Book, Section A1 Ebrahimi, Mahmood A2 Siassi, Bijan A2 Noori, Shahab A2 Acherman, Ruben J. A2 Wong, Pierre C. SR Print(0) ID 1161423413 T1 Echocardiographic Scanners and Transducers T2 Practical Neonatal Echocardiography YR 2018 FD 2018 PB McGraw-Hill Education PP New York, NY SN 9781260123135 LK accesspediatrics.mhmedical.com/content.aspx?aid=1161423413 RD 2024/03/29 AB Ultrasound machines have greatly evolved during the last few decades. Bulky machines with limited capability have been transformed to much smaller units with enhanced capability of performing all modalities of echocardiography that we take for granted at present (Figure 2-1). Portable and even handheld devices have capabilities unimaginable 20 to 30 years ago. These units are technologically advanced, enabling performance of high-quality, complete studies. Regardless of their sizes, all have basically the same components and operate in the same manner.1,2