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Critical Care Ultrasound Manual - Enhanced

Critical Care Ultrasound Manual - Enhanced

Anthony McLean | Stephen Huang

(2013)

Additional Information

Book Details

Abstract

Critical Care Ultrasound Manual is a concise step-by-step guide on the assessment of ultrasounds. It trains critical care physicians in applying Rapid Assessment by Cardiac Echo (RACE) and Focused Assessment with Sonography in Trauma (FAST) to sonography principles. Animated video clips of procedures assist the reader in comprehending the content covered in the manual.

  • Focus on helping readers obtain rapid practical information to assist management decisions.
  • User-friendly layout.
  • Explanatory diagrams, ultrasound images enhance the learning experience. 
  • DVD showing video clips of procedures cross-referenced in the book.
  • Practical tips and cautions are highlighted in Boxes.  
  • MCQs on each chapter allow readers to analyse what they’ve learnt.
  • The Appendices provide a checklist to assist interpretation of transthoracic echocardiogram in a systematic way, and a chapter on Doppler principles for those who wish to prepare the way for Doppler measurements. 

Table of Contents

Section Title Page Action Price
Front cover cover
Critical care ultrasound manual i
Copyright page iv
Table of Contents v
Foreword vii
Authors and Contributors ix
Reviewers xi
Preface xiii
Acknowledgements xv
1 Basic 2D ultrasound physics 1
Introduction 1
Properties of sound waves 1
The ultrasound transducer 3
Beam formation 3
Reflection versus transmission 4
Forming an image 5
Types of transducers 6
MCQs 8
Chapter 1 MCQS 8
2 Knobology 9
Introduction 9
Sensitivity controls 9
Gain 9
Reject 9
Time gain compensation 9
Dynamic range 11
Compression 12
Resolution controls 13
Lateral resolution – focus 13
Axial resolution – frequency 13
Temporal resolution – frame rate 16
MCQs 17
Chapter 2 MCQS 17
3 Common ultrasound artefacts in 2D imaging 18
Introduction 18
Beam characteristics 19
Secondary lobe artefacts 19
Beam-width artefacts 19
Slice thickness artefacts 23
Multiple reflections 24
Reverberation artefacts 24
Comet tail and ring-down artefacts 24
Mirror image artefacts 27
Velocity errors 28
Non-uniform amplitude errors 29
Acoustic shadow (attenuation) artefacts 29
Enhancement artefacts 31
MCQs 32
Chapter 3 MCQS 32
4 Transthoracic echocardiogram: 33
Introduction 33
Anatomy of the heart 33
Standard bedside tte views 33
Choice of transducer 33
Definitions commonly used in ultrasound navigation 33
The standard bedside TTE views 34
Parasternal long-axis (PLAX) view 34
Parasternal short-axis (PSAX) view 38
Apical 4-chamber (A4C) view 41
Apical 2-chamber (A2C) view 43
Subcostal cardiac (SC) view 45
Subcostal inferior vena cava (SC-IVC) view 45
Relationship between the various views 46
MCQs 48
Chapter 4 MCQS 48
5 Rapid assessment by cardiac echocardiography (RACE) outline 49
Introduction 49
Indications for and components of RACE 50
A RACE study 51
Pre-examination preparation 51
The examination 51
Post-examination procedure 51
MCQs 53
Chapter 5 MCQS 53
6 Left heart assessment 54
Introduction 54
Focused left heart assessment 54
Limitations of RACE Left Heart Assessment 55
Left ventricular (LV) dimensions 55
Objective measurements 55
Subjective assessment 57
LV systolic function 58
Segmental wall motion 58
Overall (global) LV contraction 59
Left atrial (LA) dimensions 61
Subjective assessments 61
Objective assessments 61
Valve appearance 62
MCQs 63
Chapter 6 MCQS 63
References 62
7 Right heart assessment 64
Introduction 64
Focused right heart examination 64
Limitations of race right heart assessment 64
Right ventricular (RV) dimensions 64
RV diameters 65
RV wall thickness 67
RV contractility 67
Tapse 69
Fractional area contraction (FAC) 69
Subjective assessment of RV systolic function 69
Right atrial (RA) size 70
Signs of RV pressure overload 71
Valvular abnormalities 71
Intracardiac structures and masses 72
Innate structure or masses 72
Iatrogenic structures 73
MCQs 74
Chapter 7 MCQs 74
8 Pericardial assessment 76
Introduction 76
Focused pericardial examination 77
Limitations of race pericardial assessment 77
Pericardial effusion 77
Cardiac tamponade 79
Increased IPP 80
Low-pressure tamponade 80
True tamponade 82
MCQs 83
Chapter 8 MCQs 83
9 Intravascular volume (preload) assessment 84
Introduction 84
Focused race fluid status assessment 84
Limitations of race fluid status assessment 84
Inferior vena cava (IVC) 84
Predicting RAP – the collapsibility index for spontaneously breathing patients 87
Predicting fluid responsiveness – The IVC distensibility and variability indices for mechanically ventilated patients 88
The right atrium (RA) 89
The right ventricle (RV) 89
The left ventricle (LV) 90
Summary 90
Hypovolaemia 90
Hypervolaemia (volume overload) 90
MCQs 92
Chapter 9 MCQs 92
References 91
10 Other cardiac pathologies 93
Introduction 93
Aortic dissection 93
Pathophysiology 93
Risk factors 93
Classification 94
Role of TTE in aortic dissection 94
Valvular stenosis 96
11 Vascular ultrasound: 100
Introduction 100
Vein versus artery 100
2D imaging 100
Compressibility test (compression) 101
Colour flow doppler 102
Ultrasound characteristics of DVT 102
Lower extremity DVT assessment 105
Anatomy of lower extremity venous system 105
Rapid lower extremity dvt assessment 105
The common femoral vein 106
The popliteal vein 107
Upper extremity DVT assessment 108
Anatomy of upper extremity venous system 108
Rapid upper extremity dvt assessment 108
The internal jugular vein (IJV) 108
The subclavian vein 109
The axillary vein 110
The brachial vein 111
MCQs 112
Chapter 11 MCQs 112
12 Ultrasound-guided vascular access 113
Introduction 113
Choice of transducer and probe orientation 114
Ultrasound-guided central venous access 114
Prescan 114
Equipment 114
Preparation 114
Puncture 115
Longitudinal view method 115
Transverse view method 120
Evaluation 121
Record 121
Special considerations at specific sites 122
MCQs 125
Chapter 12 MCQs 125
13 Lung and pleural ultrasound 126
Introduction 126
Choice of transducer 126
Scanning procedure 127
Lung ultrasound 127
Normal lung 127
Interstitial syndrome 128
Pneumothorax 130
Alveolar (lung) consolidation 131
Pleural effusion 132
MCQs 134
Chapter 13 MCQs 134
References 133
14 The standard FAST protocol 135
Introduction 135
Anatomical considerations 135
Fluid flow pattern in the peritoneal cavity 137
Scanning procedure 138
Subcostal (subxiphoid) 138
Right upper quadrant (RUQ) 139
Left upper quadrant (LUQ) 140
Pelvis 141
Clinical applicability 142
MCQs 143
Chapter 14 MCQs 143
References 142
15 Critical care abdominal ultrasound 144
Introduction 144
Choice of transducer and orientation 144
Abdominal vessels: aorta and inferior vena cava 144
Hepatic veins 148
Gallbladder 148
Acute obstructive uropathy 151
MCQs 157
Chapter 15 MCQs 157
Appendix A: Basic doppler physics 158
Introduction and basic concepts 158
Doppler Shift (Doppler Frequency) 158
The Doppler Equation 160
Doppler Angle (θ) Error 161
Doppler Spectrum 162
Continuous-Wave Doppler 162
Doppler Shift in CW Doppler 162
Limitation of CW Doppler – Range Ambiguity 162
Applications of CW Doppler 166
Pulsed-wave doppler 166
Depth of the Sample Gate 166
Pulse Repetition Frequency 166
Limitations of PW Doppler – Aliasing and the Maximum Velocity Detection Limit 167
Applications 170
Colour doppler 171
Limitations of Colour Doppler Imaging 171
Applications 172
Appendix B: Normal reference values for transthoracic echocardiography 173
Appendix C: Race study checklist and sample report 176
Appendix D: Critical care ultrasound level of competency 180
Reference 180
Answers to Multiple Choice Questions 181
Answers to Chapter 1 MCQs 181
Answers to Chapter 2 MCQs 181
Answers to Chapter 3 MCQs 181
Answers to Chapter 4 MCQs 181
Answers to Chapter 5 MCQs 181
Answers to Chapter 6 MCQs 181
Answers to Chapter 7 MCQs 181
Answers to Chapter 8 MCQs 181
Answers to Chapter 9 MCQs 181
Answers to Chapter 10 MCQs 181
Answers to Chapter 11 MCQs 181
Answers to Chapter 12 MCQs 181
Answers to Chapter 13 MCQs 181
Answers to Chapter 14 MCQs 181
Answers to Chapter 15 MCQs 181
Index 183
A 183
B 183
C 183
D 184
E 184
F 184
G 184
H 184
I 185
K 185
L 185
M 185
N 186
O 186
P 186
R 186
S 187
T 187
U 188
V 188
W 188
Z 188