CT Basics Anatomy

Cross Sectional Anatomy

Axial Coronal Sagittal Planes | Organ Relationships | Vascular Landmarks | Bone And Soft Tissue Contrast

Common Regions

Head Neck Chest Abdomen Pelvis Spine Extremities

Contrast Considerations

IV Iodinated Contrast | Oral Contrast For Abdomen | Timing Phases Arterial Portal Venous Delayed


CT Protocols

Head CT

Noncontrast And Contrast

Noncontrast For Acute Hemorrhage | Contrast For Tumor And Infection | Axial Acquisition With Reformats


CT Angiography

Vascular Imaging

Bolus Tracking | Thin Slice Acquisition | Arterial Phase Timing | CTA Neck Chest Abdomen Extremities


Chest CT

Lung And Mediastinum

High Resolution For Lungs | Contrast Enhanced For Pulmonary Embolism | Inspiratory Breath Hold


Abdomen Pelvis CT

Trauma And Routine

Oral Contrast As Indicated | IV Contrast Portal Venous Phase Standard | Multiphase For Liver Lesions


CT Spine

Trauma And Bone Detail

Thin Slices | Bone And Soft Tissue Kernels | Sagittal Coronal Reformats For Alignment And Fracture


CT Extremities

Fracture And Joint Evaluation

Small Field Of View | High Resolution Bone Algorithm | 3D Reconstructions For Preoperative Planning


Technique And Safety

Radiation Dose Optimization

ALARA Principles

Automatic Exposure Control | kVp And mA Modulation | Iterative Reconstruction | Limit Scan Range


Contrast Safety

Allergy And Renal Screening

Check Renal Function | Pre Medicate For Contrast Allergy | Hydration Protocols | Document Contrast Volume


Patient Positioning

Centering And Immobilization

Center Patient In Gantry | Arms Up For Chest Abdomen When Possible | Use Immobilization For Head And Extremities


Terminology

Axial

Cross Sectional Slice Plane | Primary CT Acquisition Plane

Reformat

Coronal Or Sagittal Images Reconstructed From Axial Data

Window And Level

Image Contrast Settings For Lung Bone Soft Tissue

Bolus Tracking

Automated Triggering For Contrast Timing | ROI Placed In Vessel

kVp mA

Tube Voltage And Current | Adjust For Patient Size And Dose