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Question | Answer |
---|---|
what is best demonstrated for AP axial C-spine? | c3-c7 |
What is the tube angle? | 15-20 degrees cephalic |
What is best demonstrated for AP atlas/axis C-spine? | The dens |
What is another name for this view? | The open Mouth |
What is best demonstrated for the AP obliques of the c-spine? | the intervertebral foramina and the pedicles that are farthest from the IR |
what is the tube angle for AP axial c-spine? | 15-20 degrees cephalic |
what is the degree of obliquity for c-spine obliques? | 45 degrees |
What is best demonstrated for the lateral c-spine? | c1-c7 |
What is best demonstrated for a cross table lateral c-spine? | subluxation- incomplete or partial dislocations |
What is best demonstrated for the AP t-spine? | t1-t12 |
What is best demonstrated for the lateral t-spine? | general survey |
What is best demonstrated for the swimmers? | cervicothoracic region |
What is the tube angle for the swimmers? | 3-5 degrees caudal |
What is the swimmers called when done standing? | Twining |
What is the swimmers called when done sitting? | Pawlow |
What is best demonstrated for the AP L-spine | general survey |
What is best demonstrated for the obliques of the L-spine? | the apophyseal joints closest to the IR |
What is the degree of obliquity for l-spine obliques? | 45 degrees |
What is best demonstrated for the lateral l-spine? | general survey |
What is best demonstrated on the spot film of the l-spine? | open l5/s1 joint space |
What is the tube angle for the spot film? | 5 degrees caudal for males and 8 degrees caudal for females |
What is the tube angle for the AP axial sacrum? | 15 degrees cephalic |
What is the tube angle for the AP axial coccyx? | 10 degrees caudal |
What is best demonstrated for the AP axial S.I. joints? | general survey with the joint space open |
What is the tube angle for the AP axial S.I. joints? | 30 degrees cephalic for males and 35 degrees cephalic for females |
What is best demonstrated for the obliques of the S.I. joints? | S.I. joint farthest from IR |
What is the degree of obliquity of the obliques of the S.I. joints? | 25-30 degrees |
What is the degree of obliquity for the obliques of the ribs? | 45 degrees |
What do the ribs closest to the IR look like? | elongated |
What do the ribs farthest from the IR look like? | foreshortened |
What views are done for skull exams? | PA, waters, both laterals, SMV, Townes (may include a reverse townes or HAAS, a reverse waters) |
What views are done for facial bone exams? | waters, modified waters, 1 lateral, caldwell |
What views are done for nasal bone exams? | Waters and both laterals |
What views are done for sinus exams? | caldwell, waters, open mouth waters(pirie), smv, 1 lateral |
What is best demonstrated for the townes for the skull? | occipital bone |
what is the tube angle for the townes for skull? | 30 degrees caudal |
What is the tube angle for the HAAS? | 25 degrees cephalic |
What is best demonstrated for the PA of the skull? | the frontal bone and crista galli. the orbits are completely filled with p.p |
What is best demonstrated for the waters of the skull? | all facial bones. p.p should be below maxillary sinuses |
What is best demonstrated for the SMV of the skull? | the floor of the cranuim |
What baseline is used for the townes of the skull? | OML and MSP are perpendicular |
What baseline is used for waters for skull? | OML is 37 degrees with IR and MML is perpendicular |
what baseline is used for the PA of the skull? | OML and MSP are perpendicular |
What baseline is used for the laterals for the skull? | IP is perpendicular and MSP is parallel |
What baseline is used for SMV of the skull? | IOML is as parallel as possible |
What is best demonstrated for the waters for facial bones? | all the facial bones |
What is the single best view for facial bones? | waters |
What is the difference between the waters and modified waters for facial bones? | for the waters the OML is perpendicular but for the modified waters the OML forms a 55 degree angle with the IR |
What is best demonstrated for the lateral for facial bones? | general survey of facial bones |
What is best demonstrated for the PA caldwell for facial bones? | the frontal bone and the crista galli. the p.p are in the lower third of the orbits |
What is the tube angle for the caldwell for facial bones? | 15 degrees caudal |
What baseline is used for the lateral for facial bones? | IP is perpendicular and MSP is parallel |
What baseline is used for the PA caldwell for facial bones? | OML and MSP are perpendicular |
What is best demonstrated for the waters for nasal bones? | the nasal septum |
what is best demonstrated for the lateral for nasal bones? | the frontonasal suture and the anterior nasal spine |
what is best demonstrated for the caldwell for sinuses? | the frontal sinus group and anterior ethmoid group |
What is the tube angle for the caldwell for sinuses? | 15 degrees caudal |
what is best demonstrated for the waters of the sinuses? | maxillary sinus group |
What is best demonstrated for the open mouth waters for sinuses? | sphenoidal sinus group |
What is best demonstrated for the pirie for sinuses? | sphenoidal sinus group |
what is best demonstrated for the SMV for sinuses? | sphenoidal sinus group |
What is best demonstrated for the lateral for sinuses? | all 4 sinus groups |
what baseline is used for lateral sinuses? | IP is perpendicular and MSP is parallel |
what baseline is used for the SMV for sinuses? | OML is parallel |
what baseline is used for the waters for sinuses? | OML forms a 37 degree angle with IR |
What baseline is used for the caldwell of the sinuses? | OML and MSP are perpendicular |
What is best demonstrated for the waters for orbits? | blow out fractures |
What baseline is used for the waters for orbits? | OML forms a 37 degree angle with the IR |
What is best demonstrated for the Rhese? | the whole optic canal and the optic foramina in the lower outer quadrant |
What is the tube angle for the Caldwell for mandible? | 20-25 degrees cephalic |
What is the position for the axiolateral of the rami of the mandible? | head is in a true lateral |
what is the position for the axiolateral of the body of the mandible? | from a true lateral pt's head is turned 30 degrees towards the IR |
What is the position for the axiolateral for the symphysis of the mandible? | from a true lateral pt's head is turned 45 degrees towards the IR |
What is the tube angle for all axiolaterals of the mandible? | 25 degrees cephalic |
What is best demonstrated for SMV for arches? | bilateral arches free from any superimposition |
What baseline is used for the SMV for arches? | IOML is parallel and MSP is perpendicular |
What is best demonstrated for the townes for arches? | bilateral arches |
what is best demonstrated for the tangential view of the arches? | unilateral arch free from any superimposition |
What is the position for the tangential view for the arches? | start from an SMV position then rotate the head 15 degrees towards side of interest then tilt head 15 degrees away from side of interest |
what is best demonstrated for the PA for mandible? | general survey. medial and lateral fracture displacement |
What is best demonstrated for the caldwell for the mandible? | body, rami, and condylar process |
What is best demonstrated for the SMV of the mandible? | coronoid and condylar processes |
What is best demonstrated for the townes for TMJ's? | the condyle of the mandible directly below the p.p |
what is the tube angle for the townes for TMJ's? | 35 degrees caudal |
What baseline is used for the Townes for TMJ's? | OML and MSP are perpendicular |
What is best demonstrated for the axiolaterals for TMJ's? | modality of the joint |
what baseline is used for the axiolaterals for TMJ's? | IP is perpendicular and MSP is parallel |
what is the tube angle for the axiolaterals for TMJ's? | 25-30 caudal |
what is the degree of obliquity for the obliques of the t-spine? | 70 degrees |