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20 Cards in this Set
- Front
- Back
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what forms steeple sign in croup
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subglottic tracheal edema.
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what retropharyngeal thickness suggests cellulitis
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equal to vertebral body AP diameter
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upper/lower airway obstruction presentation
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upper: stridor; lower: expiratory wheezing
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only vascular anomaly to course between trach/esophagus
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pulmonary sling
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in pulmonary sling, which side arises from the other?
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left PA arises from the right PA. its like "ALPARA" (alcapa)
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only vascular anomaly to course between trach/esophagus
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pulmonary sling
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in pulmonary sling, which side arises from the other?
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left PA arises from the right PA. its like "ALPARA" (alcapa)
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what constitutes a "big" adenoid
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>12mm AP diameter
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where shouldn't UA caths be?
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T10-L3
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MC primary brain tumor in chidlren
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juvenile pilocytic astrocytoma
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juvenile pilocytic astrocytoma has an association with what syndrome?
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NF1
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what arises from roof of 4th ventricle. hypercellular (restricted diffusion) 90% enhance
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medulloblastoma
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cystic lesion with enhancing mural nodule
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JPA or hemangioblastoma.
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arises from 4th ventricle floor and extends through magendie/luschka. more likely to have a foci of hemorrhage or calc.
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ependymoma.
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rice bodies in joint space: 2 causes
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TB and JIA (juvenile idiopathic arthritis).
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which MRI sequence has blooming artifact of hemosiderin
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GRE.
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drooping lily sign signifies what.
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obstruction of upper pole causes mass effect to displace lower pole moiety. complete duplication.
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intrahemispheric fissure, monoventricle, fused thalami.
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holoprosencephaly
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what ratio dfines Hirschsprung?
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rectosigmoid ratio <1.
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how do you confirm lung sequsetration
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angiogram shows lung fed by systemic artery.
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