tacks (strokes) and myocardial infarctions ??? ??? ??? arthrography roentgenography of a joint after the injection of opaque contrast material ??? ??? ??? atelectasis collapse of a lung ??? ??? ??? auscultation act of listening for sounds within the body chiefly for ascertaining the condition of the lungs, heart, pleura, abdomen, and other organs and for detecting pregnancy ??? ??? ??? Foley cathe