Introduction to Physics in Modern Medicine

ISBN-10: 0415301718
ISBN-13: 9780415301718
Edition: 2002
List price: $67.95
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Description: The medical applications of physics are typically not covered in introductory physics courses. This volume fills that gap by explaining the physical principles behind technologies such as surgical lasers or computed tomography (CT or CAT) scanners.  More...

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Book details

List price: $67.95
Copyright year: 2002
Publisher: C R C Press LLC
Publication date: 11/28/2002
Binding: Paperback
Pages: 344
Size: 6.75" wide x 9.50" long x 0.75" tall
Weight: 1.012
Language: English

The medical applications of physics are typically not covered in introductory physics courses. This volume fills that gap by explaining the physical principles behind technologies such as surgical lasers or computed tomography (CT or CAT) scanners. Each chapter contains a short, self-contained explanation of the necessary scientific background, making this book highly accessible to those without an advanced knowledge of physics. Introduction to Physics in Modern Medicine is intended for students in the field of medicine/health studies requiring an elementary background in physics. But it can also serve as a relatively non-mathematical introduction to this important area of applied physics for undergraduate physics students.

Instructor's preface
Student preface
Acknowledgments
Introduction and overview
Suggested reading
Fantastic voyage: fiber optics and endoscopes
Introduction
Optics: the science of light
Fiber optics applications in medicine: endoscopes and laparoscopes
Virtual reality in the operating room
Suggested reading
Questions
Problems
Lasers in medicine: healing with light
Introduction
What is a laser?
More on the science of light: beyond the rainbow
How lasers work
How light interacts with body tissues
Laser beams and spatial coherence
Cooking with light: photocoagulation
Trade-offs in photocoagulation: power density and heat flow
Cutting with light: photovaporization
More power: pulsed lasers
Lasers and color
The atomic origins of absorption
How selective absorption is used in laser surgery
Lasers in dermatology
Laser surgery on the eye
New directions: lasers in dentistry
Advantages and drawbacks of lasers for medicine
New directions: photodynamic therapy--killing tumors with light
Suggested Reading
Questions
Problems
Seeing with sound: diagnostic ultrasound imaging
Introduction
Sound waves
What is ultrasound
Ultrasound and energy
How echoes are formed
How to produce ultrasound
Images from echoes
Ultrasound scanner design
Ultrasound is absorbed by the body
Limitations of ultrasound: image quality and artifacts
How safe is ultrasound imaging?
Obstetrical ultrasound imaging
Echocardiography: ultrasound images of the heart
Origins of the Doppler effect
Using the Doppler effect to measure blood flow
Color flow images
New directions: three-dimensional ultrasound
Suggested reading
Questions
Problems
X-ray vision: diagnostic x-rays and CT scans
Introduction
Diagnostic x-rays: the body's x-ray shadow
Types of x-ray interactions with matter
Basic issues in x-ray image formation
Contrast media make soft tissues visible on an x-ray
How x-rays are generated
X-ray detectors
Mammography: x-ray screening for breast cancer
Image arithmetic: digital radiography
Computed tomography (CT)
Application: spotting brittle bones--bone mineral scans for osteoporosis
Suggested reading
Questions
Problems
Images from radioactivity: radionuclide scans, SPECT, and PET
Introduction: radioactivity and medicine
Nuclear physics basics
Radioactivity fades with time: the concept of half-lives
Gamma camera imaging
Emission tomography with radionuclides: SPECT and PET
Application: emission computed tomography studies of the brain
Suggested reading
Questions
Problems
Radiation therapy and radiation safety in medicine
Introduction
Measuring radioactivity and radiation
Origins of the biological effects of ionizing radiation
The two regimes of radiation damage: radiation sickness and cancer risk
Radiation therapy: killing tumors with radiation
New directions in radiation therapy
Suggested reading
Questions
Problems
Magnetic resonance imaging
Introduction
The science of magnetism
Nuclear magnetism
Contrast mechanisms for MRI
Listening to spin echoes
How MRI maps the body
How safe is MRI?
Creating better contrast
Sports medicine and MRI
Breast imaging with MRI
Mapping body chemistry with MR spectroscopy
Brain mapping and functional MRI
Suggested reading
Questions
Problems
Index

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