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Sinuses

QuestionAnswer
What is the proper patient position for a Lateral Sinuses? Interpupillary line is perpendicular to IR; midsagittal plane of head parallel to IR; adjust neck so that IOML is perpendicular to front edge of IR.
What anatomy is demonstrated on an SMV Sinuses? Sphenoid, ethmoid & part of maxillary sinuses.
What is the proper patient position for a PA Waters Sinuses? Chin against IR; MML is perpendicular to IR; OML will form a 37 degree angle to plane of IR.
What is the proper patient position for an SMV Sinuses? Neck extended & head back until IOML parallel to IR.
Where should you center for a Lateral Sinuses? CR is perpendicular to IR; enters zygoma, midway between outer canthus & EAM.
What anatomy is demonstrated on a PA Caldwell Sinuses? Frontal & ethmoid sinuses; petrous pyramids in LOWER 1/3 of orbits.
Where should you center for a PA Waters Sinuses? CR is perpendicular to IR; exits acanthion.
Where should you center for a PA Caldwell Sinuses? CR is perpendicular to IR; exits nasion.
What anatomy is demonstrated on a PA Waters Sinuses? Maxillary sinuses; petrous pyramids inferior to maxillary sinuses.
What position should the patient be in for a PA Caldwell Sinuses? Head adjusted so that OML forms a 15 degree angle with horizontal CR.
Where should you center for an SMV Sinuses? CR is perpendicular to IR; enters 1.5"-2" inferior to mandibular symphysis, midway between mandibular rami.
What anatomy is demonstrated on a Lateral Sinuses? All 4 paranasal sinuses; frontal, maxillary, ethmoid, and sphenoid.
Created by: ABIGAILDRAKE1984