Fig. 6From: Correlation of qanadli obstruction index (QOI) and atrial size on CT pulmonary angiography (CTPA) in patients with pulmonary thromboembolismFirst case was a 61 year old male patient who presented with history of breathlessness since 1 week and an elevated d- Dimer level of 8.9 µg FEU/ml. a CTPA showing saddle-shaped thrombus in the bilateral pulmonary arteries. b CTPA – Left atrial parameters. c CTPA – Right atrial parametersBack to article page