the rate in MVV maneuver is
rate is 90–110 bpm.
"Asks the patient to inhale slowly and maximally., Asks the patient to exhale slowly and maximally. " this maneuver is:
SVC
"FEV1%= actual FEV1/ Predicted FVC " is this right?
NO
How many times the patient should be instructed to breath normally before FVC maneuver
4
PEF predicted value depends on:
age, gender, height
MVV% = ?
Actual MVV/ Estimated MVV x 100
How to determine normal values in PEF?
from the personal best
after the patient expired as forcefully and rapidly as possible in FVC maneuver, he/she should:
take deep and rapid inspiration but not forced.
What are the two criteria for positive BD?
1- FVC post - FVC pre > 200 ml OR FEV1 post – FEV1 pre > 200 ml AND 2- he percentage change in the pre & post bronchodilator values in either FEV1 or FVC must
MVV estimated= ?
actual FEV1 x 40