Predictors of van der Valk et al for Distinguishing a Patient with Bacterial from Nonbacterial Exacerbation of Chronic Obstructive Pulmonary Disease (COPD)

Purpose: To distinguish bacterial from nonbacterial exacerbation in a patient with COPD using the predictors of van der Valk et al.

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Evaluation

Are you evaluating a patient with an exacerbation of COPD?

Yes

Is the Gram stain of the sputum positive for bacteria?

Yes

Number of previous exacerbations in the past 12 months

Baseline FEV1

Current FEV1

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Percent decrease in FEV1

Number of predictors present

Percent with bacterial exacerbation

Percent with nonbacterial exacerbation

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
Clinical Diagnosis, Including Family History For Genetics
Imaging Studies
- Changes of Emphysema in Plain Chest Radiograph (Chest X-Ray)
Other Testing
- Nomogram of Holleman et al for Diagnosis of Obstructive Airway Disease at the Bedside
- ADO (Age, Dyspnea, Airflow Obstruction) Index for Patient with COPD
Criteria For Diagnosis
Severity, Prognosis, Stage
Complications
Differential Diagnosis And Mimics, Red Flags
- Differential Diagnosis of Exacerbation of COPD
- Clinical Features Distinguishing COPD from Asthma

Therapy

Options
Selection
Administration
- Indicators for COPD Patient Being Admitted to Hospital from ED
Referral And Transfer
- Indications for Referral of Patient with COPD to Pulmonologist

Monitoring

Disease Progression
Complication Detection
- Model of Murata et al for Predicting Relapse Following Outpatient Treatment for Decompensated Chronic Obstructive Pulmonary Disease (COPD)

Specialty

Pulmonology

Objective

other testing
differential diagnosis and mimics
red flags

ICD-10

J40 - Bronchitis, not specified as acute or chronic
J41 - Simple and mucopurulent chronic bronchitis
J42 - Unspecified chronic bronchitis
J43 - Emphysema
J44 - Other chronic obstructive pulmonary disease

Info

Purpose: To distinguish bacterial from nonbacterial exacerbation in a patient with COPD using the predictors of van der Valk et al.

Specialty: Pulmonology

Objective: other testing, differential diagnosis and mimics, red flags

ICD-10: J40, J41, J42, J43, J44,

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