Radiology

Question 1

When do you order lateral CXR?

Answer 1

Best initial test in effusion (detect smaller mLs)

Also good to tell exact location of infiltrate first found on PA

Question 2

What will an Xray show in osteomyelitis?

Answer 2

Elevation of periosteum (may take 2 weeks)

Question 3

What organs are better seen w/ Abdominal CT v. US?

Answer 3

CT - pancreas, diverticulitis, appendix, liver or spleen masses, kidney stones

US - gallbladder (stones), renal disease (EXCEPT stones), uterus, ovaries, adnexa, prostate

Question 4

MUGA

Answer 4

Multiple-gated acquisition scan

Nuclear ventriculography

Best for ejection fraction

Question 5

When do you use a bone scan?

Answer 5

To look for bony mets

Question 6

Gallium Scan

Indium Scan

Answer 6

Gallium - for FUO, followed iron so see increased iron uptake of infections and some cancer

Indium - for FUO, tagged WBC scan so also detects infection