17. Scintiphotography, a special imaging technique, allows ventilation or blood flow distribution to be seen in...
17. Scintiphotography, a special imaging technique, allows ventilation or blood flow distribution to be seen in the lungs (ventilation or perfusion scans). Why does regional alveolar hypoxia caused by mucous plugging produce a perfusion scan like one produced by a pulmonary embolus that blocks blood pulmonary flow, and how might one distinguish between these two conditions? . noints!