145 Trauma, Surgery, Mobile Flashcards
A battery powered, battery operated mobile x-ray unit can climb a maximum incline of
7°
Which type of mobile radiography x-ray unit is self propelled
Battery operated
Which type of mobile x-ray unit is lighter weight
Standard power source
T/F C-arms are most generally stationary fluoroscopy units used in surgery
False
T/F the C-arm fluoroscopy unit can be rotated a maximum of 180°
True
T/F the AP projection with the x-ray tube, placed directly above the anatomy during a C arm procedure is recommended to minimize 0ID
False
T/F digital C arm units can store images on video tape or computer, hard disk memory
True
What is the term for the process of holding one image on the C arm monitor while also providing continuous fluoroscopy
Roadmapping
Fracture through the pedicles of C2
Hangman
Fracture of proximal half of ulna with dislocation of radial head
Monteggia
Fracture resulting from a disease process
Pathologic
Fracture resulting in an isolated bone fragment
Chip
Subluxation of the radial head on a child
Nursemaid, elbow
Fracture a long base of first metacarpal
Bennett
Fracture of distal phalanx with finger extended
Baseball
Also called a march fracture
Stress or fatigue
Also called a chauffeur fracture
Hutchinson
T/F any trauma study, requires at least two projections as close as possible to 90° opposite from each other
True
T/F on an initial study of a long bone both joints should be included for each projection
True
T/F collimation on trauma cases can lead to cut off of key anatomy and pathology. Therefore, it should be limited to the size of the IR.
False
The technologist must be at least_____ from the x-ray tube during a mobile radiographic procedures
6 feet
T/F wearing a protective lead apron is optional if the technologist is at least 8 feet from both the x-ray tube, and the patient during a mobile radiographic procedure
False
T/F the exposure dose is greater on the image intensifier side, then on the x-ray tube side with the C arm in the horizontal configuration
False
T/F a 30° tilt of the C arm from the vertical perspective, increases the dose by a factor of three to the head and neck region
False
What final step should the technologist take before returning a trauma patient to the emergency room following a radiographic procedure?
Ensure side rails are up on the patient cart
T/F The number of angiography’s of the aortic arch for the trauma patient has declined because of the increased use of CT angiography
True
What is the correct term for the displacement of a bone from a joint?
Dislocation or luxation
What is the correct term for a partial displacement?
Subluxation
Which of the following fracture terms are describes a situation in which the ends of fragments are aligned, but are pulled apart and are not in contact with each other
Lack of apposition
Which of the following fracture terms describes an angulation of a distal fracture end away from the midline
Valgus deformity
A technologist using a C arm fluoroscope receives 125mR/hour exposure, standing 2 feet from the patient. what is the exposure rate if the technologist moves to a distance of 6 feet?
<10mR/hour
A technologist receives 30mR/hour during a C-arm fluoroscopic procedure what is the total exposure? Does if the procedure takes eight minutes of fluoroscopy time
4mR
Radiologist often use the Salter-Harris system to classify_____ Fractures
Epiphyseal
A patient with a possible plural effusion in the right lung enters the emergency room. The patient is unable to stand or sit erect. What position would best demonstrate this condition
Right lateral decubitus
Where is the CR centered for an AP semi erect projection of the chest
3 to 4 inches below jugular notch
A patient with a crushing injury to the thorax enters the emergency room. The patient is on a backboard, and cannot be moved. Which projections can be performed to determine whether the sternum is fractured.
15 to 20°, medial lateral angle and horizontal beam lateral
A patient with possible ascites enters the emergency room. The patient is unable to stand or sit erect. Which of the following positions would best demonstrate this condition
Left lateral decub
What is the minimum number of projections required for a post reduction study of the wrist?
2
How is the CR aligned for a trauma lateral projection of the elbow?
Parallel to the interpiccondylar plane
Which lateral projection would best demonstrate the mid – to– distal humerus, without rotating the limb
Horizontal beam, lateromedial
How much rotation of the body, from a supine position, is generally required for a lateral medial, scapular projection with a trauma patient who can be turned partially on her side
25 to 30°
To ensure that the CR is aligned properly for an AP, trauma projection of the foot, the CR is angled
10° posteriorly from perpendicular to plantar surface of foot
A patient with a possible fracture of the ankle enters the emergency room. The patient cannot rotate the lower limb. What can be done to provide the orthopedic surgeon with a mortise projection of the ankle
X angle CR projection of the ankle, with CR 15-20° lateromedial from long axis of the foot
Following a post reduction of a fractured tibia/fibula, a post reduction study is ordered. A fiberglass cast was placed on the fractured leg. The original technique was 70 kVP @4MAS. Would the technologist be required to change their factors from the original technique.
^ 3-4 kVp
Which of the following projections demonstrates the C1 – C2 vertebrae if the patient cannot open his mouth
35 to 40° cephalic, AP axial projection
A patient with a possible fracture of the cervical spine pedicles enters the emergency room. Which of the following projections will best demonstrate this region of the spine without moving the patient.
Perform AP axial trauma, oblique projections
What is the name of the device on the x-ray tube mount that permits compound angles of the x-ray tube
Trunnion
Which of the following facial bone projections will best demonstrate air fluid levels in the maxillary sinuses for a patient unable to stand, or sit erect
Trauma, horizontal beam lateral
On a horizontal beam, lateral trauma skull projection, should the IR be placed portrait or landscape to the patient
Horizontal
Where should the CR be centered for this lateral skull projection?
2 inches superior to EAM
A patient with a possible compression fracture of the lumbar spine enters the emergency room. Which specific projection of the lumbar spine series would best demonstrate this fracture.
Lateral
A patient with a possible Barton fracture comes to the radiology department. Which of the following positioning routines would best demonstrate this
AP or PA and lateral wrist
A patient enters the emergency room with a possible radial head dislocation. The arm is immobilized with the elbow flexed at 90°. Which of the following projections best demonstrates the radial head free of super imposition of the ulna without having to extend the elbow.
Trauma, axiolateral projection
For successful surgical, radiographic, exposures, clear communication must be established among the surgeon, technologist, and
Anesthesiologist
CST is the acronym for
Certified surgical technologist
Suctioning, tying, and clamping blood vessels, as well as assisting in cutting and suturing tissues, are the general duties of the
Surgical assistant
The absence of infectious organisms is the definition for
Asepsis
What portion of the OR table is considered sterile
Only the level of the table top
T/F scrubs, worn in radiology may be also worn in surgery
False
T/F scrub covers, must be removed before entering the surgical suite
True
T/F the technologist can wear non-sterile gloves, when handling the IR and surgical cover following a procedure
True
Imaging equipment permanently stored in surgery must be cleaned at least
Weekly
Which of the following techniques best reduces the dose to the surgical team during a C arm procedure?
Use intermittent fluoroscopy
What is the primary benefit of the “pulse mode” on a digital C-arm unit
Reduce patient dose
Any image taken during an operative cholangiogram shows that the bililary ducts are superimposed over the spine. The surgeon wants the
ducts projected away from the spine. Which of the following positions may illuminate this problem during the repeat exposure.
Shallow RPO
T/F Laparoscopic cholecystectomy is not suited for every patient and condition
True
Retrograde urography is a _________exam of the urinary system
Nonfunctional
A retrograde pyelogram is a specific radiographic examination of the________ system
Pelvicalyceal
ORIF is the abbreviation for
Open reduction internal fixation
Which of the following devices helps maintain the sterile environment in a surgery during a C-arm guided hip pinning
Shower curtain
Which of the following orthopedic devices is used to stabilize a mid femoral shaft fracture?
Intramedullary rod
Which of the following devices is an example of an external fixator?
Lizarov device
Which of the following procedures does not require the use of mobile fluoroscopy
All of the above require fluoroscopic guidance. Hip pinning, intramedullary, rod, insertion, open reduction of tibia.
Which of the following devices can be used for spinal fusion surgery rather than the use of a pedicle screw
Interbody fusion cage
Which spinal procedure may require the use of Harrington or luque rods
Scoliosis corrective surgery
And unthreaded or threaded metallic wire, used to reduce fractures of the wrist/carpals, is called
Kirschner wires
A special OR table used for hip pinnings , and other orthopedic procedures to provide traction to the involved limb is termed
Fix or orthopedic table
DHS is an abbreviation for
Dynamic hip screw
Forced wrenching or twisting of a joint, resulting in partial rupture, or tearing of supporting ligaments
Sprain
A break in the bone
Fracture
A “bruise”- type injury without a fx or break in the skin
Contusion
Relationship of long axis, a fractured fragments
Apposition
Bone does not break through skin
Simple fx (closed fx)
Bone protrudes through skin
Compound fx (open fx)
Fx does not transverse through entire bone
Incomplete fx
T/F it is the tech’s responsibility to ensure that all personnel are shielded for exposures taken in a trauma room
True
A fx wherein the fragments overlap and the shafts make contact but not at the fx ends defines
Bayonet apposition
T/F If the technologist can include only one joint of a long bone, he, or she should always include the joint farthest from the side of injury
False
A faint fx line in the bone cortex that is seen on one side of bone with a slight bulging or winkle-like detect on the opposite side, is a
Greenstick fx
An intra-articular fx of the posterior lip of the distal radius is termed
Barton fx
Which of the following fx will be best demonstrated with a forearm series
Monteggia
Which of the following fx will be best demonstrated with a lower leg series
Pott’s
How is the CR aligned for a mobile AP chest projection taken on a patient lying partially erect in bed
Align CR perpendicular to long axis of sternum
Which of the following projections will best diagnose a hemothorax in the right lung for the patient unable to stand
R lateral decubitus
Which of the following positioning routines is required for a post reduction study of the ankle with a cast
AP and lateral
How much rotation of the body is required for a lateral scapular Y, AP oblique projection taken on a trauma pt
25-30°
What type of CR angle is required for the “reverse Caldwell” projection of the cranium
15° cephalad to OML
The absence of infectious organisms is the definition for____
Asepsis
The large, sterile, clear plastic she used during hip pinning procedures to maintain a sterile field over the surgical site is termed a
Shower curtain
T/F The “boost” feature found on many C-arm systems slightly increases exposure to the patient in the technologist
True
