abnormal vq scan - rul and lll pulmonary emboli

nuclear medicine nm pulmonary scan pe embous emboi hypoxemia breathing chest pain pleuritic pleurisy right lower left upper lobe wheezing dyspnea cough hemoptysis perfusion defect defects blood flow artery arteries arterial lung lungs abnormal danger threat circulation white black wing wings dvt deep venous thrombosis oxygen thrombectomy vq mismatch