dyspnoea index

dyspnoea index

A clinical measure of shortness of breath for determining exertion levels, which may be markedly increased in patients with pulmonary hypertension.

Dyspnoea index
Levels of shortness of breath (SOB)
0—No SOB; can count to 15 (takes about 8 seconds) without taking a breath in the sequence.
1—Mild SOB; can count to 15 but must take one short breath in the sequence.
2—Moderate SOB; need to take 2 breaths to count to 15 in the sequence.
3—Definite SOB; must take 3 breaths in the sequence of counting to 15.
4—Severe SOB; unable to count or speak.
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References in periodicals archive ?
Minimum clinically important difference (MCID) of at least 1 unit change in TDI vs placebo - Minimal important difference of the transition dyspnoea index in a multinational clinical trial.
breathlessness assessed by Transition Dyspnoea Index -TDI-), health status (ie quality of life assessed by the St George's Respiratory Questionnaire -SGRQ-) and COPD exacerbations.
2]] according to the newly presented ATTAIN data which shows improvement in COPD symptoms, as assessed by the Transitional Dyspnoea Index (TDI) and the EXAcerbations of Chronic Pulmonary Disease Tool (EXACT).