Ultrasonography shows a hypoplastic or absent gallbladder. Prandial state is not relevant to testing. Non filling of the gallbladder can be seen. The triangular cord sign described by Park et al. can be visualised.
Biliary atresia echocardiography or ultrasound
Duodenal atresia physical examination
Biliary atresia classification
Hepatopulmonary syndrome echocardiography and ultrasound
Hepatopulmonary syndrome physical examination
Duodenal atresia echocardiography and ultrasound
Duodenal atresia CT scan
Duodenal atresia MRI