Fig. 7From: Correlation of qanadli obstruction index (QOI) and atrial size on CT pulmonary angiography (CTPA) in patients with pulmonary thromboembolismSecond case was a 28 year old male patient who presented with complaints of pleuritic type of chest pain with haemoptysis since the last 4 days. D-dimer was elevated—5.26 µg FEU/ml. a CTPA showing thrombi in the bilateral pulmonary arteries. b CTPA – Left atrial parameters. c CTPA – Right atrial parametersBack to article page