Rad 210 CH4 Upper Limb Flashcards
In a true lateral position of the forearm what is the degree of flexion of the elbow?
90 Degrees.
Insufficient ___ will result in noisy (grainy) images on an interpretation monitor, even though it may appear satisfactory on a workstation monitor?
mAs
What is minimum SID for all upper limb images?
40-44 inches.
How many groups can the bones of upper limb be divided into?
4
*Hand and Wrist.
* Forearm
*Arm/Hummers
*Shoulder gridle.
What is a range of Kvp for upper limbs?
60-85.
True or False Patients should not be shielded for upper limb exams.
FALSE
How many projections are required for a Hand?
3 Projections.
*Lateral, PA, Oblique
What is the minimum SID for a Hand projection?
40 inches
For an oblique hand where should the IR be directed to?
3rd MCP Joint
What to do if a patient comes in the Er needing an Xray on their forearm with a cast on?
Increase the Kvp.
Small or Large Focal Spot for upper limb exams?
Small Focal Spot.
Are grids used for upper limb exams?
NON-GRID EXAM.
How many total bones are located in the hand and wrist?
27!
What is the finger and thumb called?
Digit.
What Does PIP stand for?
Proximal interphalangeal joint
What Does DIP stand for?
Distal interphalangeal joint
What is the correct term of for the carpal bone of the wrist?
Schaphoid
What is the definition of distal?
Distal is farther away from the center of the body.
What is the definition of proximal?
Proximal is the closest to the center of the body or the point of attachment.
What is the wrist joint called?
Radiocarpal joint .
What is the movement type of Intercarpal Joints?
Plane(Gliding)
What is the movement of your first digit (thumb)?
Saddle(sellar)
T or F ? For an ulnar deviation the wrist rotates toward the radius?
FALSE!
T or F? For an radial deviation the wrist rotates toward the radius.
TRUE!
How many fat pads does the wrist include?
2 Fat Pas located in the wrist.
What is the most fractured carpal bone?
THE SCHAPHOID!
How does ulnar deviation reflect on an X ray Image?
When patient is placed in a ulnar deviation this opens up the wrist and best demonstrates the carpals on the opposite side.
In which projection can you see the Schaphoid Fat Stripe?
The Schaphoid Fat Stripe can be seen in an PA or an OBLIQUE projection of the wrist.
How many parts does phalanx consist of?
3 Parts.
What are the names of the 2 fat stripe located in the wrist?
*Scahphoid Fat Stripe
*Pronator Fat Stripe
In which projection can you see the Pronator Fat Stripe?
Lateral Wrist Projection.
What are the 3 parts that the phalanx consist of?
- A distal rounded head.
*A body (SHAFT)
*An expanded base.
The lunate is often shaped like____
Moon Shaped.
Which carpal is the 3rd carapal?
The third carpal is triquetrum.
Which carpal is the smallest carpal?
The smallest carpal is the Pisiform carpal considered to be (pea shaped)
Which of the 2 bones in the
forearm is longer?
Ulna is longer!
How many degrees is considered a true lateral?
90 degrees!
How many degrees is considered oblique?
45 degrees!
How many significant fat stripes does the elbow have?
3 Fat Stripes.
In which projection can you see the 3 fat stripes located in the elbow?
LATERAL.
What are the names of the 3 Fat Stripes located in your elbow?
*Anterior Fat Pad
*Posterior Fat Pad
*Supinator Fat Pad
What is the Kvp range for elbow projections?
65 to 75.
What is the Kvp for wrist projections?
55 to 70.
What is the Kvp range for a forearm projection?
65 to 75.
What is the kvp range for a hand projection?
55 to 65.
T or F
All upper limb images are taken in landscape.
false!
How many forearm projections are their?
2 Projections.
*AP
*Lateromedial
T or F
Grids are only used for body parts thinner than 10cm.
FALSE
T or F
Shielding is optional for all upper limb exams?
FALSE.
T or F
Exposure is taken at the end of patient respiration for upper limb exams.
FALSE
