Epistemis

Interpretation of Spirometry and Bronchodilator Test

Determines the ventilatory pattern, grades its severity according to ATS/ERS and evaluates reversibility. Reversibility requires both conditions at the same time: a 12% improvement and at least 200 mL in absolute value.

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
FEV₁ prebroncodilatador (litros)1.8
FEV₁ predicho (litros)3.2
FVC prebroncodilatador (litros)3.1
FVC predicha (litros)4.1
FEV₁ posbroncodilatador (litros)2.05

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Pneumology and Respiratory
Area
Internal Medicine
Variables
5
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