Initial references prior to update: 30
Databases searched for update: PubMed, CINAHL
Search results of literature retrieved 1/1/2009–1/1/2019:
166 titles were selected for a full article review.
128 final studies were included after the removal of duplicates and studies that did not meet inclusion criteria and the addition of manuscripts retrieved in other topics meeting dyspnea-specific criteria.
Inclusion Criteria:
Exclusion Criteria: