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SUMRAD > RAD- ABDOMENCT > Flashcards

RAD- ABDOMENCT Flashcards

1
Q

What is the MC procedure for ABD patho?

A

CT

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2
Q

If Mr. KFC has abdominal pain with recatal bleeds, which contrast is ideal to differntiate bowel from other abdomen issues?

A

PO contrast- Cons- takes HRs, NON EMergent. Look for hyperattenuation in bowel, stomach

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3
Q

How can you tell if there is IV contrast?

A

Look at aorta an vessesl near verterbal body

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4
Q

What are cues to look for in CT of abdomen?

A
  1. Contrast or NON (enhanced) 2. Fat stranding 3. Fluid collection 4. Level of slice, use anatoamy 5. Creatine- NO PREGS. 6. Locate Aorta- size, califications, bifurcation, lumen contrast
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5
Q

How long is CT of ABdomen

A

Base of LUNGS- FEMUR Heads

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6
Q

What is only organ to cross midline?

A

Pancreas- RETROPERITINEAL

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7
Q

What can be confusing w/ contrast vs. non?

A

Calification in organs will by hyperattenuation: pancreas, aorta, kidney

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8
Q

For SBO or LBO, what preferred IV or PO contrast?

A

IV CON

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9
Q

For diverticulitis, what preferred IV or PO contrast?

A

IV CON, +/- ORAL

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10
Q

For IBD or Toxic megacolon what preferred IV or PO contrast?

A

Emergent- IV, NON emergent- PO

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11
Q

For colon tumor in colon, what preferred IV or PO contrast?

A

Colonoscopy- CT w/ PO and IV

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12
Q

What is most sensitve for site of SBO and cause?

A

CT 1. Dilated, Air- fluid bowel, Thick bowel walls.

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13
Q

What is seen in stomach on CT?

A

Air

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14
Q

With a LBO what is DX on CT?

A

1.Feces 2. Haustra 3. Dilated, large 4. SB collapsed

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15
Q

What condition has lareg sigmoid colon seen at kidney level slice, Air- fillied out pouching, with NO FAT STRANDING>

A

Diverticulosis

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16
Q

What is seen as inflamation around organs in CT?

A

FAT STRANDING- mid density, strands, near inflammed organ

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17
Q

Mr. KFC CT shows sigmoid full of local hypoattenuated strands, thick edematous sigmoid wall

A

Diverticulitis

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18
Q

This DDX may cause this on a CT? IBD, Ischemic Bowel, Intusseption, Diverticulitis?

A

TARGET sign- edema, fat, air, water contrast formed

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19
Q

WHat is tricky about DX appedciits?

A

GREAT pretender- Classic sign- n/v, acute, McBurney pain-diffuse to local. BUT 10% have this. Appedix can be in many locations.

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20
Q

What is order of procedure for PT if Appendix is suspected?

A
  1. Children US 1st 2. Adult- CT IV CON ONLY 3. THin Adults, PREG- US
21
Q

What are DX findings for Appendix on CT and US

A

CT- edema, fat stranding, >6mm dilated, appendolith. US- non compressible, >6mm dilated, peri appendical fluid

22
Q

WHihc is worse with Hernias? Stranguated vs Incarerated?

A

Incareated- unble to reduce Stranulate- ischemia-ER

23
Q

What causes pancreatisis?

A

ETOH, gallstones, Rx, Drugs, Virues.

24
Q

What are indicative finding on CT for pancreatiits?

A

Fluid, Fat stranding, unable to see pancreaas

25
Q

WHat is sign of AAA vs Disection>

A
  1. AAA-no hyperattenuation. >3mm 2. Dissection-split Lumen w/ contrast then a clot hypoattenuation
26
Q

What is best test to DX pneumoperitouem?

A

CT- double wall sign-clearly see both sides of bowel wall, and Falciform ligament-pulling from liver and wall

27
Q

Can you see aire around gallbladder cause by infection gas producing Bacteria on US?

A

NO. CT for emphysematuos cholecysisits

28
Q

How do you located fluid/ascites in ABdomen?

A
  1. look near spleen and liver. Both should be close to ABD wall 2. RAdiologist determine if blood
29
Q

If asked by preceptor, if you want CON or non CON for kideny stone,what should you say?

A

CT best for renal/ureter NON CONTRAST. BUT, i learned changes, so based off HOSP

30
Q

WHat is best for REnal stones?

A

CT best for hyrdoureter, polycstic kidney, Renal CA, Renal Trauma

31
Q

Mrs. Bracy is 13wk pregnant, which US is needed?

A

Formal US via trainer HCP. Bladder full for transabdominal. <10wk intravagianl bladder empty

32
Q

In order to see ovary, ectopics pathology, which is best?

A

Transvaginal, hard to see

33
Q

Pregnant women CANNOT get?

A

CT!!!!. GEt UPT b4

34
Q

What can be seen in longiitudinal and transverse views w/ US on females?

A

LONG-1. Low frequency curvilnear: bladder, uterus, cervix. TRANS- bladder uterus

35
Q

Where is the endometrial strip?

A

Line belwo uterus. TRANS- closer to tranducer head. LONG- central below uterus

36
Q

How early can gestatin be seen on US?

A

5-7wks

37
Q

Durning ED female visit what is important to note on US?

A

IUP, Size match dates, heartmotion

38
Q

WHat is seen on transvaginal early US? 4-5wks

A

Sac visible- anechoic hole, souround by Double dedicual sac

39
Q

WHat is seen on transvaginal early US? 5-6wks

A

Gestational sac +yolk sac.

40
Q

WHat is seen on transvaginal early US? 6-8wks

A

Gestational sac +yolk sac, + fetal pole

41
Q

WHat is seen on transvaginal early US? 7-9wks

A

Fetal pole + cardiac anatomy

42
Q

Why doesnt visual early IUP NOT gurantee ectopic?

A

Twins, multple pregnacy. Heterotrophic pregnancy/ EctopicPT- syncope, UPT, transvaginal

43
Q

12 weeks what can be measured?

A

HR 130-160

44
Q

Pt is at 7-13 wks what measurement should be taken?

A

Crown to rump

45
Q

Pt is at 13 wks what measurement should be taken?

A

Bipartietal diameter+CRL

46
Q

Pt is at 14 wks what measurement should be taken?

A

Femur length + BD+CRL

47
Q

Pt is at >14 wks what measurement should be taken?

A

ABdominal circumference- Late. FL+AC= age monitors growth

48
Q

As a student or non formal US tech, should we give gender?

A

NO, very variabl. GIRLS 3 line sign- vaginal folds

49
Q

What is progression of PID and can be seen on CT?

A

Tubo ovarian absecc.

SUMRAD (13 decks)

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