Unit 16 Thoracic Abnormalities
Unit 16 Thoracic Abnormalities
Evaluate fetal thoracic development by measuring thoracic circumference and the heart-to-chest ratio. Identify markers for pulmonary hypoplasia and skeletal dysplasias using the TC/AC ratio threshold of 0.77. Master sonographic assessment of the fetal lungs, thymus, and diaphragm. ARDMS, ARRT, and CCI registry exam preparation.
Transcript
24:35 lessonThoracic circumference is measured in a true axial plane at the level of the four-chamber heart. A TC/AC ratio below 0.77 suggests lethal pulmonary hypoplasia or skeletal dysplasias like thanatophoric dwarfism.
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