Wagner_Marriot's Practical Electrocardiography, 12e - page 6

iv
Digital Contents x
Contributors xii
Foreword xv
Preface xvii
SECTION I: BASIC CONCEPTS
CHAPTER 1 CARDIAC ELECTRICAL ACTIVITY 1
Galen S. Wagner, Tobin H. Lim, and David G. Strauss
The Book: Marriott’s Practical Electrocardiography, 12th Edition 2
The Electrocardiogram 3
Anatomic Orientation of the Heart 4
The Cardiac Cycle 6
Cardiac Impulse Formation and Conduction 10
Recording Long-Axis (Base–Apex) Cardiac Electrical Activity 12
Recording Short-Axis (Left versus Right) Cardiac Electrical Activity 17
CHAPTER 2 RECORDING THE ELECTROCARDIOGRAM 23
Galen S. Wagner, Raymond R. Bond, Dewar D. Finlay, Tobin H. Lim,
and David G. Strauss
The Standard 12-Lead Electrocardiogram 24
Correct and Incorrect Electrode Placements 31
Alternative Displays of the 12 Standard Electrocardiogram Leads 34
Alternative Electrode Placement 37
Other Practical Points for Recording the Electrocardiogram 42
CHAPTER 3 INTERPRETATION OF THE NORMAL
ELECTROCARDIOGRAM 47
Galen S. Wagner, Tobin H. Lim, David G. Strauss, and Jacob Simlund
Electrocardiographic Features 48
Rate and Regularity 50
P-Wave Morphology 53
The PR Interval 54
Morphology of the QRS Complex 55
Morphology of the ST Segment 62
T-Wave Morphology 64
U-Wave Morphology 66
QTc Interval 67
Cardiac Rhythm 68
Contents