CT Clinical Indications Flashcards
What are indications for CT Head without contrast?
-Intracranial hemorrhage
-Early Infarction
-Dementia
-Hydrocephalus
-Cerebral trauma
-Headaches
-Seizure
What are indications for CT with contrast?
-Mass
-Lesion
-Arteriovenous malformation (AVM)
-Aneurysm
-Metastasis
What are indications for CT chest with contrast?
-Infection
-Mass
-Emphysema
-Evaluation of abnormalities discovered on chest radiographs
-Evaluation of known or suspected congenital thoracic anomalies
-Evaluation of trauma
What are indications for Ct abdomen and pelvis with contrast?
-Suspected abdominal mass
-Tumor staging
-Abscess
-Infection
-Pelvic mass
-Hematuria
-Renal mass
What are indications for CT renal stone study without contrast?
-Suspected renal or ureteral calculi
What are indications for CT cervical spine?
-Fracture or dislocation
What are indications for CT lumbar spine?
fracture or dislocation
What are the scouts for Head CT?
AP & Lateral
What is the scan type for Head CT?
Axial
What is the only CT exam done in axial?
Head CT
Where is the start location for Head CT? The end location?
Start: Just below skull base (C1/C2)
End: Just above vertex
What kind of contrast is given for head CT?
IV Contrast only
What are window settings for Head CT?
-Soft Tissue
-Posterior Fossa
-Bone
What kind of reconstructions do you make for Head CT?
Coronal & Sagittal
How does the patient go into the gantry for Head CT?
Goes in head first
What are the scouts done for Chest CT?
AP & Lateral
What is the scan type for Chest CT?
Helical
Where is the start location for Chest CT? The end location?
Start: Just above lung apices
End: Top of the kidneys
What kind of contrast is used for Chest CT?
IV Contrast only
What are the window settings for Chest CT?
-Soft Tissue
-Lung