Radiology

Question 1

What is the x-ray image for a patella called?

Answer 1

sunrise

Question 2

FOOSH imaging?

Answer 2

Scaphoid views

Question 3

jump from window? XR negative…

Answer 3

weight baring views, CT if you suspect calcaneus fracture

Question 4

What do you use in the department to know if you need special views?

Answer 4

ortho advisor

Question 5

TEST QUESTION: contrast or no contrast?
Ct brain:
CT c-spine
CT neck
CT chest
CT abdomen pelvis
CT T/L spine

Answer 5

brain: no, unless you are suspecting infection/mass and you aren't going to get an MRI ( have a pacemaker)
c-spine: no- only looking at bones
neck: yes ( looking at soft tissue)
chest: yes 
abdomen: yes
T/L spine: no

Question 6

Do i need contrast for CT chest? scenarios:

1. ABSCESS
2. dissection
3. PE

Answer 6

1. CT chest w/ contrast
2. CTA w/ dissection protocol ( time it as its going through aorta)
3. CTPE: time it so its filling pulmonary arteries instead of aorta

Question 7

Contrast for AB/PELVIS? scenarios:

1. appendicitis
2. chrons
3. stones

Answer 7

1. regular ct ab/pevlis w/ contrast
2. oral contrast
3. no contrast

Question 8

Who can have contrast….
pregnant?
chronic kidney disease?
contrast allergy?

Answer 8

pregnant: yes, make sure you do it right the first time
CKD: wont scan people w/ creatinine above 1.5, can convince rads if they are sick/emergent
Allergy: yes, but give them fluids before hand - 5 hour protocol w/ steroids and benadryl

Question 9

Contrast for MRI scenarios:
Brain: stroke? anything else?
Spine: trauma, infection?

Answer 9

Brain: 
- no for stroke
- anything else with and without 
Spine:
- acute traumatic injury: no 
-suspect mass/ infection: with and without

Question 10

MRI contrast, who can have it? TEST***
pregnant?
allergy?
CKD?

Answer 10

pregnant: NO
allergy:NO- more unique allergy
CKD: cut off for this is GFR < 30! TEST**, risk of nephrogenic systemic fibrosis

Question 11

CT Lingo..

Answer 11

Hyperdense: bright – blood, foreign body, bone/calcification * if patient anemic it wont be as bright
isodense= to brain parenchyma
hypodense: black – fat, air, edema, encephalomalacia

use hounsfield units