.Diseases of the Diaphragm Ultrasound examination of the diaphragm is difficult and, under normal conditions, is made through the abdomen. For this reason the left diaphragm is more difficult to assess, because the stomach, containing air, prevents the transmission of the ultrasound beam Diaphragm defects, either congenital, traumatic or hernias, are difficult ultrasound evaluation.Viewing is enhanced when associated with pleural effusion, since the fluid acts as an acoustic window Ultrasound examination allows real - time visualization of the movement of the diaphragm. Phrenic paralysis and paradoxical movement of the diaphragm are easily observable by ultrasound , which avoids the use of ionizing radiation in tests such as
