Chest (AP erect view) | 合法醫療器材資訊網

Theerectanteroposteriorchestviewisperformedwiththex-raytubeanteriorly,firingphotonsthroughthepatienttoformtheimageonadetector ...

The erect anteroposterior chest view is performed with the x-ray tube[1] anteriorly, firing photons through the patient to form the image on a detector positioned behind the patient. A detector can be positioned behind a relatively immobile patient. 

The erect anteroposterior chest view is an alternative to the PA view when the patient is too unwell to tolerate standing or leaving the bed 1. The AP view examines the lungs[2], bony thoracic cavity, mediastinum[3], and great vessels[4]. This particular projection is often used frequently to aid diagnosis of acute and chronic conditions in intensive care units and wards. The AP view is of lesser quality than the PA view for many reasons, yet sometimes it is the only imaging available to that patient.

It is important to note that the AP projection will produce a magnified mediastinal shadow due to the increased distance of...