Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CT > Protocoles > Flashcards

Protocoles Flashcards

1
Q

Head - NECT

A
  • Trauma, atrophy, hemorrhage, hydrocephaly, Stroke, dementia
  • Just below base of skull to just above vertex
  • Axial
  • OML or Supraorbital meatal line
  • WW: 100 WL:30
  • Soft tissue & Bone
  • Coronal & Sagittal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Head - CECT

A
  • Abscess, neoplasm, epilepsy, aneurysm.
  • 80-100 mL @ 1-2 mL/s
  • 2 to 5 minute scan delay
  • Axial
  • OML or Supraorbital meatal line
  • WW: 100 WL: 30
  • Soft tissue & Bone
  • Coronal & Sagittal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

CTA - COW

A
  • Acute stroke, aneurysm, vascular, arteriovenous malformation
  • Group 1: NECT
  • Group 2: arterial
  • 80mL @ 4-5 mL/s
  • 18 s delay or scan bolus
  • ROI: C4 - Carotid
  • C1 to vertex
  • Helical
  • WW: 140 WL: 40 - Posterior fossa
  • Soft tissue
  • Coronal, Sagittal & Oblique
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sinus - Routine - NECT

A
  • Sinusitis, neoplasm
  • Sella turcica (posterior) to frontal sinus (anterior)
  • Helical
  • WW: 350 WL: 50
  • Soft tissue & Bone
  • Coronal & Sagittal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Facial Bones - Trauma - NECT

A
  • Trauma, fx, FB
  • Inferior to mandible to frontal sinus
  • Helical
  • WW: 350 WL: 50
  • Soft tissue & Bone
  • Coronal & Sagittal
  • WW: 4000 WL: 400
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Neck - CECT

A
  • Mass, abscess, lymphadenopathy (disease of lymph nodes), goiter (enlargement of thryoid)
  • 100-125 mL @ 2-3 mL/s
  • Split bolus: 50 mL @ 2 min delay, 75 mL
  • 35 s delay
  • Mid orbits to clavicular heads
  • Helical
  • Soft tissue
  • Coronal & Sagittal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Neck - Angio

A
  • Stroke, dissection, stenosis
  • 80 ml @ 4-5 mL/s
  • 18s delay or bolus tracking
  • Aortic arch to sella turcica
  • Helical
  • Soft tissue - angio
  • Coronal, Sagittal, MIP & VR
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

C-spine - Routine

A
  • Trauma, mets, degeneration, fx, dislocation
  • Base of skull to T2
  • Helical
  • WW: 350 WL: 50
  • Soft tissue & bone
  • Coronal & Sagittal
  • WW: 4000 WL: 400
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

T-spine - Routine

A
  • Trauma, mets, degeneration, fx, dislocation
  • T1-T12
  • Helical
  • WW: 350 WL: 50
  • Soft tissue & bone
  • Coronal & Sagittal
  • WW: 4000 WL: 400
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

L-spine - Routine

A
  • Trauma, mets, degeneration, fx, dislocation
  • L1-S1
  • Helical
  • WW: 350 WL: 50
  • Soft tissue & bone
  • Coronal, Sagittal, Obliques for discs
  • WW: 4000 WL: 400
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Thorax - Routine

A
  • Infection, mass, emphysema, trauma, abnormality
  • 80 Ml @ 3 mL/s
  • 35 s delay
  • Oral contrast may be given for known or suspected lung cancer (16 oz of barium sulfate)
  • helical
  • Soft tissue: WW:350 WL: 50
  • Lungs: WW:1500 WL:-700
  • Inspiration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

High-resolution - Lungs

A
  • Asbestos exposure, inhalation injury, interstitial disease, diffuse pulmonary disease, suspected bronchiectasis, suspected small airway disease
  • Group 1: Supine, inspiration
  • Group 2: Supine, expiration
  • Group 3: Prone, inspiration
  • Apices to costophrenic angles
  • Helical
  • Soft tissue: WW:350 WL: 50
  • Lungs: WW:1500 WL:-700
  • Bone
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

CTA- Thorax (for PE)

A
  • 120 mL @ 4mL/s - Split bolus
  • ROI: Pulmonary artery
  • Apices to costophrenic angles
  • Inspiration
  • WW: 700 WL: 180 (vascular)
  • Group 1
    • Can use smart prep or test bolus
    • Suspend respiration
  • Group 2 - Run off
    • 180 sec after the start of the injection
    • Iliac crest to below tibial plateau
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

CTA- Aorta

A
  • Blunt trauma, aortic dissection, aneurysm rupture, atherosclerotic occlusive disease, congenital vascular anomalies
  • Cardiac helical
  • Soft tissue: WW:350 WL: 50
  • Vascular: WW:700 WL:180
  • Group 1:
  • 2cm above aortic arch to 2 cm inferior to celiac trunc
  • no contrast
  • inspiration
  • Group 2 - Run off
  • 2 cm above aortic arch to 2 cm below celiac trunc
  • Contrast: 100 mL @ 4mL/s + 20 mL saline @ 4mL/s
  • Delay: bolus or ROI in descending aorta at level of carina
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Abdomen + Pelvis - Routine

A
  • Masses, tumors, abscess, appendicitis
  • 125 mL @ 3ml/s
  • Delay of 65s
  • Oral: 1.5 bottles of ready Cat
  • Diaphragm to symph
  • Helical
  • WW: 400 WL: 50 - SOft tissue
  • Inspiration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Liver- Arterial & Venous

A

-Hepatic tumprs, hypervascular, carcinoma, mets, melanoma, sarcoma
-Group1- Arterial
Contrast : 125 mL @ 4 mL/s + 50 mL saline @ 4mL/s
Oral: 450 mL 30 min before; 225 mL 10 minutes befor; 22 mL just before
-Group 2 - Venous
No contrast
65 sec scan delay
*3-phase liver = Hemangioma ; repeat group 2 600 (10 mins) seconds after IV injection
-Diaphragm to iliac crest
-Helical
-Soft tissue: WW:350 WL: 50
-Liver: WW:1500 WL:70
-Inspiration

17
Q

Pancreas

A

-Pancreatitis, tumor
-Group 1 - Arterial
Contrast: 125 mL @ 4 mL/s; 50 mL saline @ 4mL/s
Delay: 40 s
Oral: 450 mL 30 min before; 225 mL 10 minutes befor; 22 mL just before
-Group 2 - Venous
No contrast
65 sec delay
-Diaphragm to iliac crest
-Soft tissue: WW:350 WL: 50
-Pancreas: WW:150 WL:70
-Inspiration

18
Q

Colonography

A

-Evaluation of colon after a colonoscopy that was not successful
-Group 1: Supine
No IV contrast, inflate colon with CO2
-Group 2: Prone
Same as group 1
-Diaphragm to symph
-helical
-Soft tissue: WW:350 WL: 50

19
Q

Stone protocol

A

-Renal stone or mass
-Group 1
No contrast
2cm above kidneys to 2 cm below kidneys
-Group 2: Mass
Above diaphragm to below symph
IV Contrast: 100 mL @ 3mL/s + 50 mL of saline @ 3mL/s
150 s scan delay
No oral contrast
-Helical
-Soft tissue: WW:350 WL: 50
-Inspiration

CT (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions