CONTENTS XV 



CHAPTER XXXI PAGE 



CLINICAL APPLICATIONS OF CERTAIN PHYSIOLOGICAL METHODS (CONT'D) . . . 278 

 Electrocardiograms in the More Usual Forms of Cardiac Irregularities, 278; 

 Sinus Arrhythmia, 278; Sinus Bradycardia, 278; The Extrasystoles, 278; 

 Paroxysmal Tachycardia, 281; Auricular Fibrillation, 281; Auricular Flutter, 

 281; Heart-Block, 282; Ventricular Hypertrophies and Defects of the Divi- 

 sions of the A-V Bundle, 284. 



CHAPTER XXXII 



CLINICAL APPLICATIONS OF CERTAIN PHYSIOLOGICAL METHODS (CONT'D) . . . 285 

 Polysphygmograms, 285; Venous Pulse Tracings, 285; Abnormal Pulses, 291. 



CHAPTER XXXIII 



CLINICAL APPLICATIONS OF CERTAIN PHYSIOLOGICAL METHODS (CONT'D) . . . 296 

 Measurement of the Mass Movement of the Blood, 296; The Normal Flow, 

 297; Clinical Conditions Which Affect the Bloodflow, 298. 



CHAPTER XXXIV 



SHOCK 301 



Varieties of Shock, 301;' Experimental Investigations of Shock, 304; Hista- 

 mine Shock, 307; Traumatic Toxemia Factor in Shock, 309; Cause of Second- 

 ary Symptoms, 310; Treatment and Prognosis, 311. 



PART IV 

 RESPIRATION 



CHAPTER XXXV 

 RESPIRATION 316 



Mechanics of Respiration, 316; Pressure of the Air in the Lungs, 316; Respir- 

 atory Tracings, 320; The Intrapleural Pressure, 321; Influence on Blood 

 Pressure, 323. 



CHAPTER XXXVI 



THE MECHANICS OF RESPIRATION (CONT'D) (BY R. G. PEARCE) 327 



Variations in Dead Space, Residual Air and Mid and Vital Capacities in 

 Various Physiological and Pathological Conditions, 327. 



CHAPTER XXXVII 



THE MECHA.NICS OF RESPIRATION (CONT'D) 332 



Mechanism of the Changes in Capacity of the Thorax and Lungs, 332; The 

 Movements of the Ribs, 332; The Action of the Musculature of the Ribs, 336; 

 The Action of the Diaphragm, 337; The Effects of the Respiratory Movements 

 on the Lungs, 342. 



CHAPTER XXXVIII 



THE CONTROL OF THE RESPIRATION 344 



The Respiratory Centers, 344; Reflex Control of the Respiratory Center, 348. 



