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Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

Menu

I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

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CalculatorsCOPD Assessment Test (CAT)

PulmonologyScore

COPD Assessment Test (CAT)

Quantifies the impact of COPD on a patient's health status and daily life using 8 patient-reported items. Guides treatment intensity according to GOLD guidelines (Groups A–D reclassification in GOLD 2023 as Groups A–E).

Parameters

Cough Severity

0 — Never cough+01+12+23+34+45 — I cough all the time+5

Phlegm Production

0 — No phlegm+01+12+23+34+45 — Chest completely full of phlegm+5

Chest Tightness

0 — No chest tightness+01+12+23+34+45 — Chest feels very tight+5

Breathlessness Going Uphill or Up One Flight of Stairs

0 — Not breathless+01+12+23+34+45 — Very breathless+5

Limitation Doing Activities at Home

0 — Not limited+01+12+23+34+45 — Very limited+5

Confidence Leaving Home Despite Lung Condition

0 — Confident leaving home+01+12+23+34+45 — Not at all confident+5

Sleep Quality

0 — Sleep soundly+01+12+23+34+45 — Don't sleep soundly+5

Energy Level

0 — Lots of energy+01+12+23+34+45 — No energy at all+5

Awaiting input

Fill in the parameters to see your result