A 62-year-old woman presented with mild swelling, pain, and exercise intolerance in the right lower limb for nearly a week; chest pain, dyspnea, and palpitation also subsequently bothered her, and then she suffered 2 attacks of syncope, which prompted hospital admission. Acute coronary syndrome was our impression at first, but emergent coronary angiography did not support this diagnosis. An acu...

An automated computer analysis of ventilation-perfusion lung scans was used to derive graphical data from lung scans of 11 patients with acute minor pulmonary embolism, free of pre-existing cardiorespiratory disease, and with no evidence of intrapulmonary complication or pleural effusion. In each case the analysis showed the presence of areas of lung, remote from those affected by the pulmonary...