MTB 1 Flashcards
When are AP films done of CXR
Unstable pt cannot stand for PA
ICU
When are decubitus films done
Pleural Effusion found on PA film
- Confirmed if fluid in chest is freely movable and forms layer
Best initial test for effusion
Lateral CXR
Indications for AXR
Ileus - multiple air-fluid levels in SB
SBO
Imaging for perforation of bowel
Upright CXR
Best initial test for osteomyelitis
Bone X ray
- elevation of periosteum
When is CT w contrast best initial test
Cancer
Infnx
Enhance w contrast
Abdominal CT
Done with IV and oral contrast
Abdominal CT good for
Retroperitoneal structures - pancreas
Appendicitis
Nephrolithiasis - no contrast
Masses
Abdominal CT is most accurate test for
Diverticulitis
Chest CT done for
Hilar Nodes - Sarcoidosis Mass lesions - Cancer Cavities Interstitial Lung Dz PE - Spiral CT, CTA
MRI done for
Most accurate for all CNS except hemorrhage Demyelinating DZ - MS Posterior fossa - cerebellum Brainstem Pituitary Facial structures - orbits, sinuses Bone lesions - osteomyeltis Spinal Cord and Vertebral lesions
US (Sonography) is done for
Gallbladder Dz - stones/obstruction
Renal Dz
Gyn
Prostate
Endoscopic US done for
Most accurate for
Pancreatic lesions - head
Gstrinoma localization (Z-E syndrome)
When is HIDA done
Cholecystitis - only scan that does