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fingers, hand, wrist, forearm
What pt position is most commonly used when radiographing a digit? | Seated at end of table |
Where is the CR directed during a PA projection of a digit? | directed to the PIP joint of the affected digit |
where is the CR directed for lateral projections of the 2nd -5th digit? | Perpendicular to the PIP joint of the affected digit |
what is the most common oblique projection of the 2nd-5th digit? | PA oblique |
How many degrees is the hand rotated for a PA oblique projection of a digit? | 45 degrees |
For a PA oblique proj. of the first digit, the hand is placed in the: | palmar surface in contact with IR, ulnar deviate the hand slightly |
The CR angulation for the PA hand is: | perpendicular to the 3rd MCP joint |
which of the following is used to demonstrate the hand in lateral projection: | answer- fan lateral, lateromedial, mediolateral |
lateral proj. of hand- CR is directed to the: | 2nd digit MCP joint |
flexing the fingers on the pa wrist projection causes what? | places wrist into the closest contact with CR |
PA Proj of wrist, CR is directed to : | midcarpal area |
what should be in contact with table during a pa proj of wrist? | forearm, wrist |
which of the following would be used to better demonstrate the carpal interspaces? | AP image because of the oblique direction of interspaces. |
which CR angles is used for lateral proj of the wrist? | perpendicular to wrist joints |
Lateral projection of wrist, the elbow must be flexed? | 90 degrees to rotate ulna to lateral position |
which is the primary proj used to demonstrate anterior or posterior displacement fractures of the wrist? | lateral wrist with radial surface to IR(mediolateral) |
PA proj of wrist in lateral rotation requires a wrist angulation of? | 45 degrees |
CR angle for PA oblique position of wrist is? | perpendicular to midcarpal area just distal to the radius |
which of the following are well demonstrated on the pa oblique projection of the wrist? | PA lateral, AP medial rotations or Ulnar deviation |
which of the following clearly demonstrates the scaphoid? | PA lateral oblique or PA axial(stetcher method) |
PA proj of wrist in ulnar deviation, clearly demonstrates the: | scaphoid, rotation of wrist, soft tissue |
PA proj of wrist in ulnar deviation, CR can be angled? | perpendicular to scaphoid 10-20 degrees |
PA proj of wrist in ulnar deviation, CR is directed to ? | scaphoid |
PA proj of wrist (stetcher method) clearly demonstrates | scaphoid, no rotation of carpals, metacarpals,ulna or radius |
The IR must be elevated by ____ degrees for the PA proj of the wrist (stetcher method) | 20 degrees |
If the IR and wrist is placed flat on the table for the pa proj of wrist (stetcher method) the CR must be angled? | 20 degrees toward elbow |
The CR angulation for the PA axial proj of wrist (stetcher method) is: | perpendicular 10,20,30 degrees cephalad |
which of the following methods is used to demonstrate the carpal canal? | tangential projection |
CR angle for tangential projection of the carpal canal is: | 1 1/2 inch proximal to wrist - 45 degree angle caudad |
AP projection of forearm, the hand is? | supinated |
which of the following should be clearly demonstrated on the AP forearm? | wrist and distal humerus |
for lateral proj of the forearm, the elbow should be flexed | 90 degrees |
lateral proj of the forearm should clearly demonstrate what? | wrist/humerus superimposition by radial head, radius and ulna |
For the AP proj of the elbow, the humeral epicondyles are? | |
PIP joints that the CR directs to are located? | Proximal joint of the phalanges. (2nd joint of finger closest to knuckles, middle of fingers) |
MCP Joints that the CR directs to are located? | Metacarpalphalangeal--or knuckles |
scaphoid is where? | under the thumb above the lateral side of radius |
Radius/Ulna positions | Radius - thumb Ulna - pinky |
2nd-5th fingers views are (3) | PA, lateral, PA oblique |
Lateral views of digits 2, 3, 4, 5 in positions.. | 2nd-lateromedial 3rd is lateromedial 4th mediolateral 5th-mediolateral |
PA oblique Digits 2-5 views lateral rotation | place palm on IR, rotate hand externally (bring up)45 degree with sponge. fan fingers over sponge for 3,4,5 views |
1st digit thumb views (4) | AP,PA,lateral,PA oblique --- PA proj not used |
AP thumb position | turn hand to posterior side of thumb on IR, fingers up out of way |
Lateral thumb positon | palm on IR, roll fingers into fist and stick thumb out |
PA oblique thumb | palm on IR, ulnar deviate hand slightly, thumb should be in natural oblique position. |
Hand views (3 main) | PA,PA oblique,Lateral-Mediolateral,lateromedial, Fan,ballcatcher |
Lateral views of hand (3) | mediolateral, lateromedial, fan |
PA hand | forearm on table, palm on IR, spread fingers CR on 3rd digit MCP joint |
PA oblique hand- lateral rotation | palm on IR, adjust obliquity of hand so MCP joints form angle 45 with IR, CR 3rd MCP |
Mediolateral lateral view hand | lateral hand with radial side to IR, CR to 2nd MCP |
Lateromedial lateral view hand | lateral hand with ulnar side to IR, CR to 2nd MCP |
Fan lateral view hand | put hand on sponge |
Created by: HLC
Should the elbow be flexed for the lateral projection of the forearm?
For the lateral projection of the forearm, the elbow should be flexed The hand consists of how many bones? The IR must be elevated how many degrees for the PA axial projection of the wrist (Stecher method)? The first bone located on the proximal row and lateral side of the wrist is called the
What is the central ray of lateral projection of the elbow?
For a lateral projection of the second through fifth digits, the central ray is Soft tissue radiographs of the elbow in the lateral position are often ordered to demonstrate: The PA oblique projection of the wrist in lateral rotation requires a wrist angulation of:
When should a lateral projection of the knee be avoided?
The procedure should be avoided if dislocation or separation is suspected. The patient was rotated anteriorly. In a routine (mediolateral) lateral projection of the knee, if the fibular head is seen to be completely free from superimposition of the proximal tibia, what positioning error likely occurred? Oblique the hand no more than 45 degrees.
What are the different projections of the thumb?
-supination. -pronation. -medial rotation. -lateral rotation. For the AP projection of the thumb, Lewis suggests angling the central ray toward the wrist to demonstrate the first metacarpal free of the sesamoids and of the soft tissue of the palm.
In what position should the hand be placed for the AP projection of the humerus?
Positioning for an AP projection of the humerus
Abduct the arm slightly, and supinate the hand so that epicondyles of the elbow are equidistant from IR. A coronal plane passing through the epicondyles should be parallel with the cassette plane for the AP or posteroanterior (PA) projection.
What is the position of the styloid processes for the lateral projection of the wrist?
The ulnar styloid is located at nearly the ulnar-most (the opposite side of the humerus with the elbow flexed) and slightly dorsal aspects of the ulnar head on the axial plane. It should appear almost midway (55% dorsally) from the ulnar head on the standard lateral view of the wrist in neutral forearm rotation.
What projection will clearly demonstrate the phalanges of fingers?
Finger lateral view is a standard projection for radiographic assessment of the fingers; it is one of three views of the finger series.
Which of the following is the primary projection used to demonstrate anterior and posterior displacement of fractures of the hand or wrist?
Cards
Positioning Flashcards - Flashcard Machinewww.flashcardmachine.com › positioning4null
Term For a lateral projection of the hand, the central ray is directed to the: | Definition second digit MCP joint |
Term Which of the following is the primary projection used to demonstrate anterior or posterior displacement of fractures of the hand or wrist? | Definition Lateral |