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WEEK 22:

Introduction to radiology of neck and thorax:

QuestionAnswer
what is used to image bones plain film and CT thorax
what is used to image spinal cord and nerves MRI
structures you should see in xray of chest trachea, superior VC, right cardiophrenic angle, right hemidiaphragm, left hilum, LV, and left costcophrenic angle
what is used to image vessels ultrasound, CT and MRI
structures present in mediastinum superior VC, aortic arch, pulmonary trunk, V, RA, IVC
CT used when only thing applied to
interpretation approach 5 airway, breathing, circulation, disability, everything else
review areas with special attention as pathology can be overlooked (4) apical zones, hilar zones, retro cardial zone, zone below dome of diaphragm
anterior 5-7 ribs should be visible where above diaphragm
why are posterior ribs not used in xrays are fixed
questions to ask in xray lungs are both lungs similar volume (asymmetry), pleural abnormalities? consolidation? compare both sides? thickening? pneumothorax? effusion?
what is used to image soft tissue (glands, lymph nodes, and muscles) ultrasound, CT and MRI
what is used to see the lungs in thorax imaging plain film and CT
what is used to see the heart in thorax imaging MRI
what is used to see bones in thorax imaging plain film and CT
what is used to see spinal cord and nerves in thorax imaging MRI
what is used to see vessels in thorax imaging CT
what is a costophrenic angle sharp corner seen on xray where ribs (costo) meet diaphram (phrenic)
things to notice when imaging the lungs (erect- standing chest x ray) blood vessels in lower parts of the lungs look bigger and vessels in upper lungs look smaller
when viewing an erect (standing) chest xray why do blood vessels look bigger in lower parts and smaller in upper parts because blood naturally flows downwards so lower lung zones receive more blood and upper receives less blood (gravity dependent perfusion)
appearance of hila in lungs left is higher than right and similar radiodensity
pneumoperitoneum means presence of air/ gas in peritoneal cavity
Created by: kablooey
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