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Part II Rad <>

QuestionAnswer
What is the unit of measurement for an x-ray tech's dosage? REM, roentgen equivalent in man
What is the unit of measurement for an x-ray tech's dosage? REM, roentgen equivalent in man
What does MPD stand for in radiology? Maximal Permissible Dose
What does MPD stand for in radiology? Maximal Permissible Dose
What does RAD stand for in radiology? Roentgen absorbed dose
AKA for a primary "braking" radiation? Bremstrahlung (85%)
What does RAD stand for in radiology? Roentgen absorbed dose
AKA for a primary "collision" radiation? Characteristic (15%)
AKA for a primary "braking" radiation? Bremstrahlung (85%)
Name two types of secondary radiation. Compton, Thompson
A 15% in KV will do what to density? Double it.
Name two types of secondary radiation. Compton, Thompson
A 15% in KV will do what to density? Double it.
Icreased FFD does what to detail? Decreases.
Associated small crystals with increased detail. Decreases.
Small focal spot used for... cervicals and extremities
Associated small crystals with increased detail.
Associated heel effect with... penumbra
Define line focus principle Smaller the angle of target, smaller focal spot, more power.
Associated heel effect with... penumbra
Grid ratio formula: Height divided distance H/D
Define line focus principle Smaller the angle of target, smaller focal spot, more power.
Number of watts in red lit developing? 7 watts
Grid ratio formula: Height divided distance H/D
What does recumbant film do to tissue? Compressed it.
Number of watts in red lit developing? 7 watts
A film has turned out yellow, what is the problem? Developing solution is too old.
What does recumbant film do to tissue? Compressed it.
If a film is not exposed, but developed, what will it look like? Translucent.
A film has turned out yellow, what is the problem? Developing solution is too old.
Law of Bergoine Tribondeau describes? What is highly effected? What is not highly effected? Radiosensitivity.WBCs and sperm. Low radiosensitivity in nerves and ovaries.
What does Chamberlin's line indicate? Where is the measurement? Basilar impression. Foramen magnum to hard palate.
What does MacGregor's line indicate? Where is the measurement? Radiosensitivity.WBCs and sperm. Low radiosensitivity in nerves and ovaries.
What does Chamberlin's line indicate? Where is the measurement? Basilar impression. Foramen magnum to hard palate.
What does MAC Gregor's line indicate? Where is the measurement? Basilar invagination. Foramen magnum to occiput.
What does Martin's Basilar Angle indicate? Where is the measurement? Platybasia or Arnold Chiari. An inverted V from nsaum to sellica turcica, then down to foramen magnum.
Describe how to draw Jackson's stress lines and what they mean to the cervical curve. Line posterior to C2 body and line posterior to C7. Evaluates cervical lordosis.
Describe McNabb's lines. What do they access? Access facet imbrication.
Describe Salter harris Fxs 1-5 1. Just the plate. 2. plate plus metaphysis. 3. Plate plus epiphysis. 4. Metaphysis plus epiphysis. 5.compression
What side is the M/C presentation of scoliosis? Right sided.
Describe protocol for degrees of scoliosis: 0-20, 20-40, 40+, 50+ 0-20 adjust. 20-40 brace. 40+ surgery. 50+ breathing function compromised.
What is a Lovett + scoliosis? Spinous rotates TOWARDS ConVEXITY.
What is a Lovett - scoliosis? Spinous process rotates TOWARDS conCAVITY.
What does Kohler's angle indicate? Name 2 adult conditions which could cause this pathology. acetabular protrusio. RA or paget's
What does Klein's line indicate? SCFE
What's does Skinner's line measure for? Paget's
What does a Boehler's angle less than 28 degrees indicate? Calcaneal Fx.
Retropharyngeal space should be no less than how many mm? 7 mm
Retrolaryngeal space should be no less than how many mm? 14mm
Retrotracheal space should be no less than how many mm? 22mm?
Normal adult ADI space in mm? 1-3mm
Normal child ADI space in mm? 3-5mm
Oblique Rule: POSO. ASOS. IVF. Pars. SI joint.
Boxer's Fx? 2nd, 3rd metacarpals.
Barroom Fx? 4th, 5th metacarpals.
Gamekeeper's Fx? avulsion of thumb.
What is the name for a radius fx that has gone posterior? Collie's
What is the name for a radius fx that has gone anterior? Smith's
Ulna fractured, radius dislocated: Monteggia fx
Radius fractured, ulna dislocated: Galeazzi's fx
C2 spinous fx AKA Hangman's fx
Describe dens fxs 1-3. 1. just the tip (stable). 2. Base of dens (unstable). 3. Into body (stable).
Mechanism of injury for a teardrop fx? whiplash.
AKA for C7 spinous avulsion fx? Clay shovelers.
M/C direction of talus dislocation? Lateral.
M/C direction of lunate dislocation? anterior.
M/C direction of shoulder dislocation? AI
Location of Heberden's arthritis? DIPS
Location of Bouchard's arthritis? PIPS
Location of Haygarth's arthritis? MCPS
Dysplastic spondylolisthesis congenital
Isthmic spondylolistesis pars defect
M/C location for any type of spondy L5
M/C location for a degenerative spondy L4
Meyerding's scale is used to grade? Spondys
Ulman's line is used to diagnose? Spondys
AKA for spina bifida spondylochisis
Stair stepping gas bubbles in intestines: paralytic ileus.
Name of sign when x ray soft tissue shows up same density as water? silhouette sign
Midline abdominal calcification pancreatic calculi
OVerall calcification of gall bladder: porcelain gall baldder
subcutaneous calcification scleroderma
More likely to show up on x ray: kidney stones or gall stones? Kidney, they are usually calcium, gall stones are usually cholesterol.
Name the aspects of CREST syndrome. Calcinosis, Raynaud's, Esophageal achlasia, Sclerodoerma, Telangiectasia
What is the T in CREST syndrome called when small blood vessels are dilated in eyes, nose, cheecks, chin? Telangiectasia
Level of aortic bifuraction? L2-4
"Tearing deep abdominal pain associated with? Aortic aneurysm.
Tracheal deviation; what causes ipsi deviation? What causes contra? Ipsi = actelectasis. Contra = anything else
what is a pneumothorax? Air in pleural space
What poison is associated with the term "black lung"? Anthrax
What is the AKA for Paget's? Osteitis deformans
Brim sign refers to? Enlarged head and hat size associated with Paget's
What bllod lab is associated with Paget's? Increased ALP
Location of Kummel's necrosis? Vertebral body
Location of Panner's necrosis? Elbow
Location of Keinbock's necrosis? Lunate
Location of Preisser's necrosis? Scaphoid
Location of Legg Calve Perthes necrosis? Hip
Location of Blount's necrosis? Medial tibial condyle
Location of Sever's necrosis? Calcaneous
Location of Kohler's necrosis? Tarsal-navicular
Location of Freiberg's necrosis? Second metatarsal
What spinal condition of teen-aged males is associated with multiple schmoral's nodes? Scheuerman's
In regards to bone infection; define sequestrum and involucrum. Sequestrum is dead bone, involucrum is newly infected bone.
Rugger jersey spine associated with? Hyperparathyroidism
Salt n Pepper skull associated with Hyperparathyroidism
What are the 3 most common causes of pancake vertbrae in order? Osteoporosis, metastisis, multiple myeloma
Rain drop skull is associated with what pathology? Multiple myeloma
Punched out lesions are associated with what pathology? Multiple myeloma
What is the main urine finding for multiple myeloma? Bence jones Protenuira
M/C benign tumor in hand? Endochondroma (Ollier's)
M/C benign tumor of spine? hemangioma
Corduroy cloth sign is associated with what pathology? Hemangioma
M/C area for primary malignancy? Lung
M/C cause malignancy, period? Metastasis
M/C primary bone malignancy? multiple myeloma
M/C primary bone malignancy in a child? Osteosarcoma
What special imaging is associated with Hounsfiel Units? CT scan
Created by: deleted user