肺栓塞的临床表现与初步诊断
肺栓塞的V/Q核素检查 核素检查 肺栓塞的A high -probability scan is defined as a scan showing the following: >2 large segmental perfusion defects without ventilation or chest x-ray abnormalities; or one large segmental perfusion defect and >=2 moderate segmental perfusion defects and normal ventilation; or >=4 moderate segmental perfusion defects and normal ventilation.
肺栓塞的临床表现与初步诊断
肺栓塞的V/Q核素检查 核素检查 肺栓塞的An intermediate-probability scan is defined as one which has the following: 1 moderate or <=2 large segmental perfusion defects with normal ventilation V/Q defects and chest x-ray parenchymal opacity in the lower lung;