C,T,L Spine Flashcards
What is the IR size for the AP projection Fuchs method?
8x10 or 10x12 crosswise
What position is the patient in the for the AP Projection Fuchs method?
Supine
Why did Fuchs recommend the AP Projection?
To show the dens
Where do you center the IR for the AP Projection Fuchs method?
Center the IR to the level of the tips of the mastoid processes
What is the respiration phase for the AP projection Fuchs method?
Suspend
What is the CR direction for the AP Projection Fuchs method?
Perpendicular to the midpoint of the IR; enters the neck on the MSP just distal to the tip of the chin
What is the collimation size for the AP projection Fuchs method?
5x5
What is the IR size for the AP projection open-mouth?
8x10 or 10x12
What is the SID for the AP projection open mouth?
30”
Where do you center the IR for the AP projection open mouth?
Center the IR at the level of the axis (C2)
What is the CR direction for the AP projection open mouth?
Perpendicular to the center of the IR and entering the midpoint of the open mouth
What is the collimation size for the AP projection open mouth?
5x5
What is the IR size for the lateral projection of the atlas and axis?
8x10 or 10x12
Where do you center the IR for the lateral projection of the atlas and axis?
Center the IR at the level of the atlantoaxial articulation (1 inch distal to tip of mastoid process)
What is the respiration phase for the lateral projection of the atlas and axis?
Suspend
What is the CR direction for the lateral projection of the atlas and axis?
Perpendicular to a point 1 inch distal to the mastoid process
What is the patient position for the AP axial projection of the c-spine?
Supine or upright
Where do you center the IR for the AP axial projection of the C-spine?
Center the IR at the level of C4
What is the respiration phase for the AP axial projection of the C-spine?
Suspend
What is the CR direction for the AP axial projection of the C-spine?
Directed through C4 at an angle of 15-20 degrees cephalad (CR enters slightly inferior to the most prominent point of the thyroid cartilage aka the Adam’s apple)
What is the proper collimation size for the AP axial projection of the C-spine?
10 inches lengthwise and 1 inch beyond the skin shadows on side
What is the IR size for the lateral projection grandy method of the C-spine
8x10 or 10x12 lengthwise
What is the recommended SID for the lateral projection grandy method of the C-spine?
60-72” because of the increased OID
What is the patient position for the lateral projection grandy method of the C-spine?
In a true lateral either standing or seated
Where should the IR be centered for the lateral projection grandy method of the C-spine?
Center the IR at the level of C4. The top of the IR is about 1” above the EAM
What should you do to depress the shoulders for the lateral projection grandy method of the C-spine?
Attach one small sandbag to each wrist
What is the respiration phase for the lateral projection grandy method of the C-spine?
Suspend respiration at the end of full expiration
What are you looking at when you perform the lateral projection grandy method of the C-spine?
The Z joints
What is the CR direction for the lateral projection grandy method of the C-spine?
Horizontal and perpendicular to C4
What is the proper collimation size for the lateral projection grandy method of the C-spine
8x10 or 10x12 depending on the cassette size used
What is the IR size for the lateral projection of the C-spine when hyper extending or hyper flexing?
10x12 lengthwise
What is the SID for the lateral projection hyperflexion/hyperextension of the C-spine
60-72” because of increased OID
What is the patient position for the lateral projection hyperextension/hyperflexion of the C-spine?
A true lateral either seated or standing
Where is the IR centered for the lateral projection hyperextension/hyperflexion of the C-spine?
Center the IR at the level of C4. The top of the IR is about 2 inches above the EAM
What is the respiration phase for the lateral projection hyperflexion/hyperextension of the C-spine?
Suspend
What is the CR direction for the lateral projection hyperflexion/hyperextension of the C-spine?
Horizontal and perpendicular to C4
What is the collimation size for the lateral projection hyperextension/hyperflexion of the C-spine?
10x12 lengthwise
What are you looking at when you perform an AP axial oblique projection of the C-spine?
You are looking at the intervertebral foramina
What is the IR size for the AP axial oblique projection of the C-spine
8x10 or 10x12 lengthwise
What is the recommended SID for the AP axial oblique projection of the C-spine?
60-72” because of increased OID
What is the patient position for the AP axial oblique projection of the C-spine?
Supine or upright (seated or standing)
What is the body rotation for the AP axial oblique projection of the C-spine?
45 degrees
Where do you center the IR for the AP axial oblique projection of the C-spine?
Center the IR to the third cervical body (1” superior to the most prominent point of the thyroid cartilage)
What is the respiration phase for the alarm axial oblique projection of the C-spine?
Suspend
What is the CR direction for the AP axial oblique projection of the C-spine?
Directed to C4 at a cephalad angle of 15-20 degrees
What is the collimation size for the AP axial oblique projection of the C-spine?
8x10 or 10x12 depending on IR used
What intervertebral foramina are you looking at when you perform the AP axial oblique projection of the C-spine?
The intervertebral foramina farthest from the IR
What is the IR size for the PA axial oblique projection of the C-spine?
8x10 or 10x12 lengthwise
What is the recommended SID for the PA axial oblique projection of the C-spine?
60-72” SID because of the increased OID
What is the patient position for the PA axial oblique projection of the C-spine?
Prone or upright (seated or standing)
What is the body rotation for the PA axial oblique projection of the C-spine?
45 degrees
Where is the IR centered for the PA axial oblique projection of the C-spine?
center the IR at the level of C5 (1” caudal to the most prominent point of the thyroid cartilage)
What is the respiration phase for the PA axial oblique projection of the C-spine?
Suspend
What is the CR direction for the PA axial oblique projection of the C-spine?
Directed to C4 at an angle of 15-20 degrees caudal
What is the collimation size for the PA axial oblique production of the C-spine?
8x10 or 10x12 depending on the IR used
What is the IR size for the AP protection Ottonello method?
8x10 or 10x12 lengthwise
What is the patient position for the AP projection Ottonello method?
Supine
Where do you center the IR for the AP projection Ottonello method?
Center the IR at the level of C4
What is the respiration phase for the AP projection Ottonello method?
Suspend
What technique do you use for the AP projection Ottonello method to blur the mandible?
use an exposure technique with low milliamperage and long exposure time (minimum of 1 sec)
What is the CR direction for the AP projection Ottonello method?
perpendicular to C4
What is the collimation size for the AP projection Ottonello method?
8x10 or 10x12 depending on IR used
What is the IR size for the lateral projection swimmers technique?
10x12 lengthwise
What is the patient position for the lateral projection swimmers technique?
recumbent or upright (seated or standing)
Where do you center the IR for the lateral projection swimmers technique?
Center the IR at the level of C7-T1 intervertebral disk space, which is located 2” above the jugular notch
What is the respiration phase for the lateral projection swimmers technique?
Suspend
What is the CR direction for the lateral projection swimmers technique?
Directed to C7-T1 intervertebral disk space
If the patient cannot depress shoulder well enough when performing the lateral projection swimmers technique how much do you angle the tube?
3-5 degrees caudal
How much did Monda recommend angling the tube when the patients shoulder cannot be depressed while performing the lateral projection swimmers technique?
5-15 degrees cephalic
What is the collimation size for the lateral projection swimmers technique?
close collimation; 10x12
What is the IR size for the AP projection of the T-spine?
14x17 lengthwise
what is the patient position for the AP projection of the T-spine?
supine or upright (standing)
How should the hips and knees be positioned when performing the AP proejction of the T-spine
flexed to place the thighs in a vertical position
Where should the IR be positioned for the AP projection of the T-spine
1 1/2 to 2 inches above the shoulders
What is the respiration phase for the AP projection of the T-spine?
patient may be allowed to take shallow breaths during the exposure or respiration is suspended at end of full expiration
What is the CR direction for the AP projection of the T-spine?
Perpendicular to the IR. The center of the CR should be approx. halfway between jugular notch and xiphoid process
What is the collimation size for the AP projection of the T-spine?
7x17
What is the IR size for the Lateral projection of the T-spine?
14x17 lengthwise
How should the patients knees and hips be placed when performing the lateral projection of the T-spine?
flexed to a comfortable position
Where should the superior border of the IR be placed for the Lateral projection of the T-spine?
1 1/2 to 2 inches above the relaxed shoulders
how should the patients arms be for the Lateral projection of the T-spine
at right angles to the long axis of the body
What is the respiration phase for the Lateral projection of the T-spine?
with the patient breathing normally or at the end of expiration
What is the CR direction for the Lateral Projection of the T-spine?
perpendicular to the center of the IR at the level of T7. The CR enters the posterior half of the thorax
If the patient is not horizontal when performing the lateral projection of the T-spine, how much do you angle the tube?
10 degrees cephalic for females and 15 degrees cephalic for males
What is the collimation size for the lateral projection of the T-spine?
7x17
What are examined when performing PA oblique projections of the T-spine?
The thoracic zygapophyseal joints
What are examined when performing AP oblique projections of the T-spine?
The thoracic zygapophyseal joints
Do AP oblique projections of the T-spine show the joints closest to or farthest from the IR?
Farthest from the IR
Do PA oblique projections of the T-spine show the joints closest to or farthest from the IR
Closest to the IR
What is the patient position for the AP or PA oblique projections of the T-spine?
recumbent and upright (seated or standing)
When performing the AP or PA oblique projections of the T-spine in the recumbent position, what is the IR size and orientation?
14x17
When performing the AP or PA oblique projections of the T-spine in the upright position, what is the IR size and orientation?
14x17