Educating physicians about ventilation-perfusion scanning as an alternative to CT for the diagnosis of pulmonary embolisms led to a 23 percent decrease in patient exposure, according to a study ...

Backround A 40-year-old woman presented with dyspnea in the fifth month of pregnancy followed by a sudden onset of pleuritic chest pain 2 weeks postpartum. She was diagnosed as having pulmonary ...

A 62-year-old man was resuscitated from a ventricular fibrillation cardiac arrest. His coronary angiogram was normal, and a gated blood pool scan demonstrated normal left ventricular function. An ...