Chan, Kenneth Grossly Abnormal Ventilation/Perfusion SPECT Study in Idiopathic Pulmonary Arterial Hypertension Without Thromboembolism. [electronic resource] - Heart, lung & circulation Nov 2018 - e101-e104 p. digital Publication Type: Case Reports; Journal Article ISSN: 1444-2892 Standard No.: 10.1016/j.hlc.2018.01.001 doi Subjects--Topical Terms: Cardiac CatheterizationComputed Tomography AngiographyFemaleHumansHypertension, Pulmonary--diagnosisLung--diagnostic imagingPulmonary Artery--diagnostic imagingPulmonary EmbolismPulmonary Wedge Pressure--physiologyTomography, Emission-Computed, Single-Photon--methodsVentilation-Perfusion RatioYoung Adult