FEV1 to FVC Ratio and the Lung Age Formula of Hansen et al

Purpose: To determine the ratio of FEV1 to FVC and to assess a patient's apparent lung age using the equation of Hansen et al.

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Evaluation

Are you evaluating the pulmonary function of a patient who smokes?

Yes

Age of the patient

years

Observed FEV1

liters

Observed FVC

liters

Results

Please fill out required fields.

Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Observed ratio of FEV1 to FVC

Predicted ratio of FEV1 to FVC

Difference between predicted and observed ratios

Delta lung age

Apparent lung age

Alternate approach to lung age

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Clinical Diagnosis, Including Family History For Genetics
Other Testing
Criteria For Diagnosis
- Assessing Obstructive and Restrictive Patterns
Severity, Prognosis, Stage
Complications

Therapy

Administration
- Bronchodilator Response

Patient Concerns

Informed Consent
- "Lung Age" of Morris et al

Specialty

Pulmonology

Objective

clinical diagnosis
including family history for genetics
other testing
severity
prognosis
stage
complications

ICD-10

J20-J22 - Other acute lower respiratory infections
J40-J47 - Chronic lower respiratory diseases
R94.2 - Abnormal results of pulmonary function studies

Info

Purpose: To determine the ratio of FEV1 to FVC and to assess a patient's apparent lung age using the equation of Hansen et al.

Specialty: Pulmonology

Objective: clinical diagnosis, including family history for genetics, other testing, severity, prognosis, stage, complications

ICD-10: J20-J22, J40-J47, R94.2,

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