CT Imaging: Basic Technical Concepts скачать в хорошем качестве

CT Imaging: Basic Technical Concepts

Computed tomography (CT) imaging utilizes various scanning and presentation parameters to generate detailed cross-sectional images of the body. Adjusting these parameters is a balance between image quality and radiation dose. Radiologists and technologists carefully optimize these parameters based on the clinical needs of each individual patient, aiming to achieve a balance between diagnostic image quality and minimizing radiation exposure. Chapters: 00:00 - Introduction 01:12 - X-Ray Tubes work like Incandescent Light Bulbs 04:28 - Tube Current 05:08 - Gantry Rotation Time 05:59 - Tube Current-Time Product (mAs) 06:27 - Peak Tube Voltage (kVp) 07:28 - Field of View (FOV) 09:19 - Coverage 11:35 - Acquisition Mode 12:42 - Pitch 13:56 - Reconstruction Algorithm 16:34 - Convolution Algorithm (Kernel) 17:14 - Slice Thickness & Interval 18:47 - Window Width & Level 24:41 - Effects of Scanning & Presentation Parameters 28:10 - CTDIvol & DLP 30:11 - Indications for IV Contrast 31:12 - Adverse Outcomes from IV Contrast 33:37 - Intravenous Accesses 35:28 - IV Contrast Injection Volumes 35:59 - Injection Delays & Bolus Tracking 39:04 - Oral Contrast