Xll TABLE OF CONTENTS. . 



PAGE 



As to the Presence of Ozone in the Blood, 79 



Carbon Dioxid and Nitrogen in the Blood, 80 



Estimation of the Individual Constituents of the Blood, 81 



Arterial and Venous Blood, 82 



The Amount of Blood : 83 



Abnormal Increase in the Amount of Blood or of Its Individual Parts, .... 84 

 Abnormal Diminution in the Amount of Blood or of Its Individual Con- 

 stituents, 86 



PHYSIOLOGY OF THE CIRCULATION. 



Cause, Purpose, Division, 88 



The Heart, . 89 



Arrangement of the Muscle-fibers of the Heart and Their Physiological Sig- 

 nificance, 89 



Arrangement of the Musculature of the Ventricles, 90 



Pericardium; Endocardium; Valves, 91 



The Coronary Vessels; Automatic Regulation, Nutrition, and Isolation of 



the Heart 93 



The Movements of the Heart. Variations in Tone, 96 



Pathological Disturbance of the Function of the Heart, 99 



The Apex-beat. The Cardiogram, 100 



The Time-relations of the Movements of the Heart, 104 



Pathological Variations in the Heart-beat, 107 



The Heart-sounds, no 



Abnormalities in the Heart-beat, 112 



Duration of the Movement of the Heart, 113 



The Cardiac Nerves, 114 



Irritability of the Automatic Motor Centers in the Heart and of the Heart- 

 Muscle 115 



The Cardiopneumatic Movement, 121 



Influence of the Respiratory Pressure on the Dilatation and Contraction 



of the Heart, 122 



THE MOVEMENT OF THE BLOOD IN THE CIRCULATION. 



Toricelli's Theorem on the Velocity of Escape of Fluids, 125 



Propelling Force, Velocity and Lateral Pressure, 126 



Movement through Capillary Tubes, 128 



Continuous and Undulatory Movement in Elastic Tubes, 128 



Structure and Properties of the Blood-vessels, . . . 129 



Pulse-movement. Technic of Pulse-examination, 133 



The Pulse-tracing, the Recoil-elevation and the Elasticity-elevations, 138 



The Dicrotic Pulse 142 



Differences in the Time-relations of the Pulse, 143 



Variations in the Strength, the Tension, and the Volume of the Pulse, 145 



Sphygmographic Tracings from Different Arteries, 146 



Phenomena of Anacrotism, 147 



Influence of the Respiratory Movements on Sphygmographic Tracings, .... 149 



The Influences of Pressure on the Shape of Sphygmographic Tracings, 152 



Velocity of Propagation of Pulse-waves, 153 



Propagation of Pulse-waves in Rubber Tubes, 153 



Propagation- velocity of the Pulse-waves in Man, 154 



Other Pulsatory Phenomena, 156 



Vibration of the Body Due to the Action of the Heart and the Course of the 



Blood-waves, 157 



The Movement of the Blood, 158 



Schematic Reproduction of the Circulation, 160 



Capacity of the Ventricles, 161 



Methods for Measuring the Blood-pressure, 162 



The Blood-pressure in the Arteries, 165 



The Blood-pressure in the Capillaries, 168 



The Blood-pressure in the Veins, 169 



The Blood-pressure in the Pulmonary Artery, 169 



Measurement of the Velocity of the Blood-current , 171 



