RT Book, Section
A1 Pitts-Kiefer, M. Alexander
A1 De Marchi, Lorenzo
A2 Freeman, Brian S.
A2 Berger, Jeffrey S.
SR Print(0)
ID 1135739655
T1 Restrictive Lung Disease
T2 Anesthesiology Core Review: Part Two Advanced Exam
YR 2016
FD 2016
PB McGraw-Hill Education
PP New York, NY
SN 9781259641770
LK accessanesthesiology.mhmedical.com/content.aspx?aid=1135739655
RD 2024/04/19
AB Restrictive  pulmonary  disease  is  characterized  by  reductions  in  lung  volumes.  Compared  to  disorders  consistent  with  an  obstructive  pulmonary  pattern,  there  is  no  increase  in  airway  resistance  and  measures  of  airflow  are  within  normal  limits.  Pulmonary  function  tests  (PFTs)  in  patients  with  restrictive  disease  will  show  a  reduction  in  total  lung  capacity  (TLC)  leading  to  reductions  in  both  forced  expiratory  volume  in  1  second  (FEV1)  and  forced  vital  capacity  (FVC).  Because  both  values  are  reduced,  the  FEV1/FVC  ratio  remains  normal  (Figure  46-1).  The  flow-volume  loop  is  general  normal,  but  demonstrates  reduced  lung  volumes  (Figure  46-2).  FRC  is  decreased.  Total  pulmonary  compliance  is  also  reduced.  Patients  with  restrictive  disease  increase  their  work  of  breathing  by  taking  slow,  deep  breaths.