88 PULSE RECORDS IN THEIR RELATION TO 



14 



OS 03 -OS-OS 



22 



OG 



37 



Sees. 



Carotid 



1- 



-0" 



*v 



Aorta, 



Ventricle 



Aaride 



FICJ. 1. Diagrammatic representation of the events of the cardiac cycle and of 

 the carotid and jugular pulses in relation to standard movements. The scale 

 of abscissae is 1 mm. to -j-^ sec. S.C. =semilunar valve closure ; A.0. = auriculo- 

 ventricular valves open. The broken lines indicate those portions of the respective 

 curves over which there is doubt or controversy. 



