Ill 





cardiac dyspnea, can not bi 

 Bitting. Thia condition ii ki 







ting over the lying p 

 plained Th< • ter \ ital eap 

 ing of ti 



gravity; the increa 

 enlarged thoracic ca\ ity 

 air of the lungs are all 



The Vitui Capacity, i\ 

 of the lungs to their 



the determination of I ; lue in : 



t.iiit. Recently Peabod 

 Eac1 that : ■ itli heaii <\ 



do healthy subjects, ai •! thai I 

 on their inability to inci he depth 



manner. They find thai this Inability 

 a diminished vital capacity of th( 

 by the volume of th< possil 



spiration. They believe thai any condition which ! 

 of increasing the minute volui 



tor in the production of >h 



In normal adults the follow ; I 



;i large bi rii clinical c I 



clas ich group being subdivided 







It would •'!!'!" 



!it. and aln i I 

 adopted for each group 



darda may ! 



