Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 493 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
493
Dung lượng
7,56 MB
Nội dung
Basics of Chest Radiology A Beginner’s Guide to Chest Imaging - - Revised and Updated Fourth Edition Contributing Authors: Dr David Wilson, MA, MB, BChir (Cantab), FRCR Dr Hugh Davies, MBChB, MRCGP Dr Mahesh Baj, MBBS, MD, FFRRCSI (Ireland), FRCR With BMA Award Winning Author and Editor: Dr Sanjay Gandhi, MBBS, MD, DNB, FRCR, FHEA Aim of the ‘Basics of Chest Radiology’ is to explain fundamentals of chest imaging in an easy to understand manner Highlights of this book: * A comprehensive coverage of normal and abnormal chest x-ray appearances * Common radiological signs such as Cervico-thoracic Sign, Golden S sign, Air Bronchogram, Hampton's hump, Hilum Overlay sign, Luftsichel sign, Silhouette sign have been explained with the help of illustrations and examples * Pearls, Key Learning Points, and Top Tips * Quiz cases for extra practice * A quick reference source in the clinics and on the ward * An excellent overview of most commonly asked questions in the MBBS final, USMLE, and College membership/fellowship exams This book would be an essential reading for every Medical Student, Intern, Foundation Training Doctor (F1, F2s), Registrars in Medicine and Surgery, Accident and Emergency staff and all Radiographers and Nurses who need to interpret x-rays of chest - A must read for candidates appearing for Assessments, Medical and Board Exams JM Books’ Medical Division is pleased to bring you this revised and fully updated 4th Edition of our Best Selling Radiology eBook Co-authors for 1st and 2nd Editions: Dr Hugh Davies, MBChB, MRCGP Dr David Wilson, MA, MB, BChir (Cantab), FRCR New Contributing Author for this Edition: Dr Mahesh Baj, MBBS, MD, FFRRCSI, FRCR With Contribution from: Dr J K Yadav, MBBS, DTM&H (UK), MD Dr Anthony J Edey, BMedSci, MB BS, MRCP, FRCR Consultant Radiologist with specialist interests in thoracic and cardiac CT imaging (Contributed cases of ‘Interstitial Lung Diseases’ and ‘Mediastinal Masses’) Note: You can use this book on up to four devices registered under one Kindle account (subject to Amazon’s Terms & Conditions) In order to benefit fully from our high quality digital teaching films, we suggest that you should first use this book on a Good or High-resolution screen of an iPad, or Kindle Fire HD For revision on the ward or ‘Practice on the go’, later you can use this book on other devices such as Android Tablet, Kindle Fire etc The book can be used on the Laptop, Mac or PC also using Kindle App We suggest White Page Background setting for enhanced reading experience On touch screen devices, you can Zoom and Pan X-rays and illustrations by double tapping the image (please see further detail under the Suggested Kindle Settings) JMD Books Kindle Preview: Introduction: Imagine the scene you are on a busy ward round with your medical team and it seems to be going entirely to plan You have remembered the thirteen causes of atrial fibrillation and no one has asked you any impossible questions Just as you thought it was all over, your Attending Physician (Consultant) puts a chest radiograph on the viewing box You try to creep to the back of the group but you can see the Consultant searching for you, and asks you to ‘present this X-ray’ You wish you could remember your system, or in fact, what any of the diseases you’ve learnt about look like on a film You fumble your way through somehow, but later make a resolution that this will never happen again - Every medical student and house officer is familiar with this feeling Clearly, getting through ward rounds is not the only objective here These skills are a cornerstone of good practice that will be used daily throughout our careers as doctors The aim of this illustrated guide is to dispel that horror and provide confidence in approaching chest radiographs This will be done by tackling four main areas: Developing a reliable and systematic approach to interpreting radiographs Understanding the appearances of ‘normal’ on a film Understanding how disease processes affect the appearances of a film, creating ‘abnormalities’ that must be recognized Relating the patterns of appearances with clinical conditions in order to make a diagnosis The high quality teaching films, practical illustrations and expert tips will make learning chest radiology as easy as possible Some of the examples are shown below: Kindle Preview Case 1: A close up view of ‘air bronchogram’ (Please remember that on touch screen devices you can Zoom and Pan X-rays by double tapping the image) Air bronchogram is a classic sign of consolidation It is seen on a chest film when bronchi are shown as darker branching tubular structures passing through the opacified lung It is also one of the commonest films shown in the exams Explanation: On the chest X-ray, normal lung fields are radiolucent (black) and therefore, the air containing bronchi are not seen separately In cases of consolidation, the air in the alveoli is replaced by either fluid or cells and therefore, alveolar spaces appear opaque (white) Against the background of opacified (white) alveoli, the air containing bronchi then stand out as darker tubular structures Normally, the air containing bronchi are outlined by air containing alveoli In consolidation, the air in the alveoli is replaced by fluid and the bronchi containing air appear as darker branching tubes Figure 105: Normal Measurements** - The Atlanto Dental Interval (ADI) normally is less than 3 mm in adults whether or not the head is flexed or extended In children under 8 years of age, the distance has been reported to be as much as 4–5 mm DBI (Dens Basion Interval)