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Upper Limb 115
Might update later
| Question | Answer |
|---|---|
| ID markers are placed- | Within the excess collimation, L or R marker should be used according to which arm is being imaged |
| Where are upper extremity X-Rays performed | On the tabletop. No Bucky/grid is required |
| Finger/Thumb collimation | Extend collimation to include both joints. Include 1-inch border around skin margin. |
| Patient instructions for all upper extremity X-Rays | Tell patient to hold still, no breathing instructions required |
| How should you align the patients arm with the IR? | Align Long axis of bone with long axis of the IR |
| How should you position the patients arm when performing an upper extremity X-Ray? | Position the patients arm/hand parallel to the IR |
| What size focal spot do we use when imaging the upper arm? | Small |
| PIP stands for | Proximal Interphalangeal Joint |
| All upper extremity X-Rays use ______ SID | 40 inch |
| Central ray should be centered at the _______ during a finger X-Ray | PIP Joint |
| CR should be going with the _________ of the digit | Long axis |
| PA Oblique 45° position | Rotate hand laterally 45°, use a foam wedge, ensure the correct finger is aligned with the CR at a 45° angle |
| Lateral Finger position | Close all fingers except for affected digit, ensure the CR is perpendicular to the PIP joint of the affected digit |
| Collimation for all finger images should be set | 1 inch on all sides of the digit, including 1 inch proximal to the MCP joint |
| AP Thumb X-Ray position | Place hand in a position of extreme medial rotation, resting thumb on the IR. Center CR to the IP joint |
| Where should you center the CR when imaging the thumb? | Metacarpophalangeal (MCP) joint |
| Lateral thumb position | Place the patients hand on the IR with the palm facing down Rotate hand 45°, use a sponge to maintain position lift fingers until the thumb is in a true lateral position |
| Oblique thumb position | Rest hand normally |
| Where should the CR be centered for both a PA and a Lateral Oblique hand image? | 3rd metacarpophalangeal (MCP) joint |
| Where should the CR be centered for both a normal and fan lateral hand image? | 2nd metacarpophalangeal (MCP) joint |
| How should we collimate for a hand X-Ray? | Collimate the entire hand. There should be at least 1 inch of light surrounding the hand on all sides. |
| Collimation for a hand X-Ray needs to extend about an inch ___________ to include the top portion of the wrist | Proximally |
| Your fingers need to be ________ to the IR when taking a hand X-Ray | Parallel |
| Where should the Central Ray be centered for a wrist image? | Midcarpal area (part of the wrist that bends) |
| PA wrist patient position | Rest forearm on table, centering wrist to IR |
| When performing a PA wrist X_Ray, What must the patient do to properly position their wrist closer to the IR? | Ball up digits into a fist |
| How to collimate for a wrist X-Ray? | Center CR at the wrist joint and extend collimation about 3 inches both proximally and distally (horizontally), with 1 inch of excess collimation out to the side (vertically) |
| Ensure arm is placed _________ across the IR when imaging upper extremity's (exceptions can be made if nessessary) | Lengthwise (parallel) |
| PA Oblique Wrist patient position | Start from the pronated position, rotate the wrist laterally (externally) until it forms an angle of approximately 45 degrees with the plane of the IR |
| Lateral Wrist patient position (1) | Start by having the patient flex their elbow 90 degrees and center the IR to the wrist (radiocarpal) joint |
| Lateral Wrist patient position (2) | Rotate forearm so that the thumb is pointing upwards, then adjust the forearm and hand to ensure that the wrist is in a true lateral position |
| PA Wrist X-Rays show? | • Open radioulnar joint space • Scaphoid and Lunate are NOT superimposed |
| A PA Oblique Wrist X-Ray would show? | • The space between metacarpals 2-5 decreasing • 4th and 5th metacarpals not completely superimposed |
| The Trapezoid is free of superimposition in which type of wrist X-Ray? | PA Oblique Wrist |
| Lateral forearm X-Ray patient position | • Flex elbow 90° • Upper arm level w/forearm • Thumb up |
| The Central Ray should be centered as close to the _______ of the forearm as you can get (when performing a forearm X-Ray) | Middle |
| The IR must be centered to the_________ when performing an elbow X-Ray | Elbow Joint |
| AP Elbow patient position | Patient seated with forearm on table, elbow fully extended, hand supinated |
| The Central Ray should be centered_____________ to the Elbow Joint | Perpendicular |
| Elbow X-Ray collimation requirements | 3 inches both proximal and distal to the elbow joint and 1 inch on the sides of the elbow |
| Lateral Elbow patient position | Elbow centered to IR while flexed at 90 degrees, ensure that the humerus and forearm are in contact w/table |
| AP Oblique Elbow requires the patient to rotate their elbow both | Internally and Externally |
| Place the IR on top of the mega sponge to elevate the patient's arm while performing a ______ X-Ray (if the table can not be adjusted) | Forearm |
| What upper extremity X-Rays require the use of a 14x17 IR ? | Forearm & Elbow |
Created by:
user-2016295