Spirometry Console
TRAINING MODE
Start Test
Space
Reset
X
Operator Panel
Click Start Test to generate a random maneuver.
Idle
System Interpretation:
No interpretation
Quality
—
Back Extrapolated Volume:
—
%
Expiratory Time:
—
sec
Repeatability:
—
L
Pneumotach Ready
Calibrate
Patient & Reference
High-contrast device theme • Simplified reference equations
Reference Standard
NHANES
ATS
Age (years)
Height (cm)
Sex
Male
Female
Random Patient
Pred FVC:
--
L
Pred FEV1:
--
L
Pred PEF:
--
L/s
Pred FEV1/FVC:
--
LLN FVC:
--
L
LLN FEV1:
--
L
LLN FEV1/FVC:
--
Flow–Volume Loop
Flow (L/s) vs Volume (L)
Flow–Volume Loop
Flow (L/s) vs Volume (L)
−
+
Volume–Time
Volume (L) vs Time (s)
Volume–Time
Volume (L) vs Time (s)
−
+
Test Results
Pred / LLN / Trial 1 / Trial 2 / Trial 3 / Best
Time
ATS
Grade
FVC Pred (L)
FVC (L)
FVC %Pred
FEV1 Pred (L)
FEV1 (L)
FEV1 %Pred
FEV1/FVC Pred
FEV1/FVC
Ratio %Pred
Interpretation
Interpret the test (click Check Answer when ready)
Your interpretation
Select…
Obstructive
Restrictive
Mixed
Severity
Select…
Mild
Moderate
Severe
Very Severe
Check Answer
—
—
Comment
Score — Correct:
0
| Total:
0
| Accuracy:
—
Trainer cutoffs (simplified): ratio < 0.70 suggests obstruction; low FVC suggests restriction.
Spirometry Maneuver
SIMULATION
Get Ready
Follow the prompts.
BIG BREATH IN
Keep lips sealed around the mouthpiece.
Calibration
MANUAL
Calibration
Follow the calibration steps.
INJECT
Follow the prompt to inject or withdraw.