Brain CT Scans in Clinical Practice (eBook)

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2009 | 2009
XII, 110 Seiten
Springer London (Verlag)
978-1-84882-365-5 (ISBN)

Lese- und Medienproben

Brain CT Scans in Clinical Practice - Usiakimi Igbaseimokumo
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Across emergency rooms all over the world, thousands of patients are referred for brain CT scans daily. A radiologist often has to interpret the scan or a consultation has to be made to a neuros- geon to review the scan. Most of this happens late at night and is a signi?cant source of discontent. Thus having frontline phy- cians to be pro?cient in interpreting the emergency brain CT scan improves the ef?ciency of the whole pathway of care and is pot- tially life saving as time is of the essence for many patients with severe brain injury or stroke. Underlying all of the above and the primary reason for writing this book is because the skill required to determine an immediate life threatening abnormality in a brain CT scan is so basic and can be learned in a short time by people of various backgrounds and certainly by all physicians. 'Indeed the emergency head CT scan is comparable to an electrocardiogram in usefulness and most de?nitely as easy to learn. ' This book is therefore written for ca- givers the world over to demystify the emergency CT brain scan and to empower them to serve their patients better. It is obvious to me from the response from people I have had opportunity to teach this subject that not only is there a desire to learn this basic skill but also people learn it quickly and wonder why it has not been presented so simply before.
Across emergency rooms all over the world, thousands of patients are referred for brain CT scans daily. A radiologist often has to interpret the scan or a consultation has to be made to a neuros- geon to review the scan. Most of this happens late at night and is a signi?cant source of discontent. Thus having frontline phy- cians to be pro?cient in interpreting the emergency brain CT scan improves the ef?ciency of the whole pathway of care and is pot- tially life saving as time is of the essence for many patients with severe brain injury or stroke. Underlying all of the above and the primary reason for writing this book is because the skill required to determine an immediate life threatening abnormality in a brain CT scan is so basic and can be learned in a short time by people of various backgrounds and certainly by all physicians. 'Indeed the emergency head CT scan is comparable to an electrocardiogram in usefulness and most de?nitely as easy to learn. ' This book is therefore written for ca- givers the world over to demystify the emergency CT brain scan and to empower them to serve their patients better. It is obvious to me from the response from people I have had opportunity to teach this subject that not only is there a desire to learn this basic skill but also people learn it quickly and wonder why it has not been presented so simply before.

Preface 5
Foreword 6
Acknowledgements 8
Contents 9
Introduction to the Basics of Brain CT Scan 11
THREE BASIC DENSITIES OR DIFFERENT SHADES OF GREY 11
SYMMETRY–MIRROR IMAGE 15
CEREBROSPINAL FLUID (CSF) SPACES – THE COMPASS OF BRAIN CT SCAN 18
IDENTIFYING ABNORMALITIES IN THE CSF SPACES 19
BRAIN SWELLING 21
EXTRA AXIAL AND INTRA AXIAL LESIONS 22
BASIC ANATOMY OF THE BRAIN SURFACE 24
Head Injury 32
INTRODUCTION – INTRACRANIAL HAEMATOMAS 32
THE BRAIN COVERINGS (MENINGES) AND THE SUBARACHNOID SPACE 34
THE PARTS OF THE SKULL AND NAMING OF HAEMATOMAS 36
THE 5Ss OF ANY HAEMATOMA! 41
Brain Haemorrhage and Infarction – Stroke 51
SUBARACHNOID HAEMORRHAGE 51
SPONTANEOUS INTRACEREBRAL HAEMATOMA 67
ISCHEMIC STROKE (CEREBRAL INFARCTION) 74
Hydrocephalus 81
INTRODUCTION 81
THE TEMPORAL HORNS AND THIRD VENTRICLE IN EARLY HYDROCEPHALUS 82
EFFACEMENT OF THE SULCI 85
DISPROPORTIONATELY SMALL FOURTH VENTRICLE 85
THE FRONTAL AND OCCIPITAL HORNS 87
PERIVENTRICULAR LUCENCIES 89
PREVIOUSLY DIAGNOSED HYDROCEPHALUS 91
CAUSES OF HYDROCEPHALUS 92
Tumours and Infections ( SOL) 97
INTRODUCTION 97
M IS FOR MASS EFFECT 98
E IS FOR ENHANCEMENT 99
A IS FOR APPEARANCE 104
L IS FOR LOCATION 105
SPECIAL LOCATIONS 107
Advanced Uses of Brain CT Scan 110
3D RENDITIONS: CRANIOSYNOSTOSIS 110
3D RENDITIONS: CT ANGIOGRAPHY 111
SUBTLETIES! 111
Index 113

Erscheint lt. Verlag 28.4.2009
Zusatzinfo XII, 110 p. 108 illus., 48 illus. in color.
Verlagsort London
Sprache englisch
Themenwelt Medizin / Pharmazie Medizinische Fachgebiete Allgemeinmedizin
Medizin / Pharmazie Medizinische Fachgebiete Innere Medizin
Medizin / Pharmazie Medizinische Fachgebiete Neurologie
Medizin / Pharmazie Medizinische Fachgebiete Notfallmedizin
Medizinische Fachgebiete Radiologie / Bildgebende Verfahren Radiologie
Medizin / Pharmazie Pflege
Schlagworte brain • Computed tomography (CT) • electrocardiogram (ECG) • electrocardiogram(ECG) • electrocardiogram (ECG) • emergency Brain CT Scan • Head • Head Injury • Hydrocephalus • Infection • stroke • Tumor
ISBN-10 1-84882-365-7 / 1848823657
ISBN-13 978-1-84882-365-5 / 9781848823655
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