Dyspnoea index | definition of dyspnoea index by Medical dictionary
dyspnoea index A clinical measure of shortness of breath for determining exertion levels, which may be markedly increased in patients with pulmonary hypertension.
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.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive
Similar improvement in the dyspnoea index
has been observed by Morrice et al  and Wei et al.
Treatment outcomes in both study groups were assessed by Borg scale and dyspnoea index
for level of exertion (LOE) and dyspnoea, respectively, while resting heart rate method was used for VO2 max calculation, and BMI by weight (kg) divided by height squared (m2).
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.