PMC6214860_01
PA chest xray showing an elongated and narrowed thoracic cavity.
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PH 7.17, PCO2 155, PO2 95 and O2 saturation of 97% on 2L nasal cannula. PA and lateral chest xrays showed a long and severely narrow thoracic cavity (Fig. 1, Fig. 2). 2D echocardiography showed a left ventricular ejection fraction of 55% and evidence of severe pulmonary hypertension.
Left shows a mediastinal view of CTA chest with a pulmonary artery that is larger than ascending aorta. Right shows mediastinal view of CTA chest with an enlarged right ventricle and a small left ventricular cavity.
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A computed tomography angiography (CTA) of his chest showed severe dilatation of the pulmonary artery in comparison to ascending aorta and significant right ventricular enlargement (Fig. 3).