Title Cardiovascular MR manual / Sven Plein, John P. Greenwood, John P. Ridgway, editors

Edition Second edition Published Cham : Springer, [2015] ©2015

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Description 1 online resource : illustrations Contents Contributors; Part I: How Does CMR Work?; 1: What's Inside the Magnet and Why?; The Main Magnet; The Gradient Coil Assembly; The Integral Radiofrequency (RF) Body Transmitter Coil; The Receiver Coil; Further Reading; 2: The MRI Environment; The Examination Room and RF Shielding; The Magnetic Fringe Field Hazard and the Controlled Area; Active and Passive Magnetic Shielding; References; 3: Protons and Spins: The Origin of the MR Signal; MR Images: What Are We Looking at?; Proton Spin and Net Magnetisation; What Determines the Size of the Net Magnetisation?; Further Reading 4: Generating a Signal: RF Pulses and EchoesHow Do We Generate a Signal?; What Does the RF Pulse Do to the Magnetisation?; Longitudinal and Transverse Components of Magnetisation; Flip Angle and Common RF Pulses; Low Flip Angle RF Excitation Pulse; 90° RF Excitation Pulse; 180° RF Pulse (Refocusing Pulse); 180° RF Pulse (Inversion Pulse); What Does the MR Signal Look Like?; Further Reading; 5: Relaxation Times, Gradient Echoes and Spin Echoes; Relaxation: What Happens After the RF Excitation Pulse?; What is T1 Relaxation?; Transverse Relaxation and MR Signal Decay What is T2 Relaxation? What is T2* Relaxation?; MR Echoes; Gradient Echoes; Spin Echoes; Further Reading; 6: Making an Image: Locating and Encoding Signals in Space; Selecting an Image Slice; Encoding the MR Signal within the Slice; Phase Encoding; Frequency Encoding; How is the Frequency-Encoded Signal Decoded?; How Do We Make Sure That the Gradients We Apply for Imaging don't Destroy the Signal?; Why isn't a Single Phase and Frequency Encoded Signal Enough to Reconstruct an Image?; Field of View in the Phase Encoding Direction; Phase Encoding, Image Matrix and Acquisition Time Further Reading7: Image Space and k-Space; Further Reading; 8: Imaging Parameters and Image Attributes; Spatial Resolution and Image Acquisition Time; Noise and Signal-to-Noise Ratio; Factors that Determine Image Quality; Intrinsic Signal Amplitude; Signal Averaging; SNR and Receiver Bandwidth; Imaging Parameters: Practical Examples; 2D and 3D Imaging; Further Reading; 9: Improving SNR with Surface Coils and Array Coils; Further Reading; 10: Pulse Sequences and Image Contrast; Dependence of the MR Signal on TR and TE; Image Contrast and Weighting; Long TR and Short TE (Fig. 10.2) Short TR, Short TE (Fig. 10.3) Long TR, Long TE (Fig. 10.4); Short TR, Long TE (Fig. 10.5); Further Reading; 11: Gradient Echo Versus Spin Echo; Further Reading; 12: Black Blood Versus Bright Blood Imaging; Black Blood (Spin Echo Pulse Sequence); Black Blood: Double Inversion Preparation Pulses; Bright Blood (Gradient Echo Pulse Sequence); Further Reading; 13: Dealing with Cardiac Motion: How Do We Image the Beating Heart?; Still Imaging; Cine Imaging; Triggering Versus Gating for Cine Imaging; Prospective Versus Retrospective ECG Gating; Spoiled Gradient Echo Versus bSSFP Summary This updated manual is a practical and compact introductory text to CMR. It includes a didactic overview of the physics of magnetic resonance imaging, cross-referencing consistently to the clinical chapters and describing the relationship between an understanding of basic MRI physics and producing better images. Building on the first edition, the authors review the practicalities of CMR from referral to screening, set-up of the study and reporting, including numerous tips and tricks on how the reader can improve the quality of their images. The book outlines the most commonly acquired image components used in CMR and details how CMR is used in clinical practice. It covers the most common referrals for CMR imaging in a structured way with imaging protocols and case examples for each indication. Throughout the book, the authors have used graphs and tables to highlight important learning aspects. The emphasis of each chapter is on providing practical, hands-on information, making this book a key resource for all training and certifying for the use of CMR. Cardiovascular MR Manual, 2e is of use to all clinicians working in cardiology or imaging for developing a general understanding of the diagnostic information that can be obtained from CMR, the indications for referral, and the contraindications and limitations of the technique Bibliography Includes bibliographical references and index Notes English Online resource; title from PDF title page (EBSCO, viewed September 22, 2015) Subject Heart -- Magnetic resonance imaging. Cardiovascular system -- Magnetic resonance imaging Cardiovascular Diseases -- diagnostic imaging Magnetic Resonance Imaging -- methods Cardiovascular medicine. Radiology. HEALTH & FITNESS -- Diseases -- General. MEDICAL -- Clinical Medicine. MEDICAL -- Diseases. MEDICAL -- Evidence-Based Medicine. MEDICAL -- Internal Medicine. Cardiovascular system -- Magnetic resonance imaging Heart -- Magnetic resonance imaging Form Electronic book Author Plein, Sven, editor. Greenwood, John P., editor. Ridgway, John P. (John Phillip), editor. ISBN 9783319209401 331920940X 3319209396 9783319209395

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