You searched for: “pneumatogram
pneumatogram (s) (noun), pneumatograms (pl)
1. A diagram or tracing of the movements of the chest in respiration: Following Sharon's examination, Dr. Mount obtained the pneumatogram by means of a pneumatograph or stethograph.
2. A message sent by pneumatic dispatch: Mr. Green read the pneumatogram with the vital information, that was sent to him by the pneumatic communication system.