clinical summary

Question 1

Asthma

Answer 1

FEV1- normal or reduces
FVC- normal
PEF- variable
MEF- low, typical ‘scalloped’ on flow volume curve
TLC- high/normal
Taco- normal or elevated
FeNO- high
Raw- high when airway narrowing pressent

typically nocturnal
normal blood gases most time

Question 2

COPD- expected FEV, FVC, PEF, MEF, TLC, TLCO and KCO, FeNO, RAW

Answer 2

Low FEV1
Normal FVC
airways obstruction- low FEV1/FVC
Very Low TLco and KCO
Low ‘scalloped’ flow volume curve MEF
typically not variable PEF
FeNO- normal
Raw- high