Development of a heart failure filter for Medline: an objective approach using evidence-based clinical practice guidelines as an alternative to hand searching

Table 1 Most frequent terms identified in the Term Identification Set

Terms	Record Occurrence	% Record Occurrence
MeSH
Heart failure	62	70.5%
Ventricular dysfunction, Left	14	15.9%
Textwords/phrases
Heart failure	77	87.5%
Congestive heart failure	36	40.9%
New York Heart Association	24	27.3%
Left ventricular ejection fraction	23	26.1%
CHF	20	22.7%
Chronic heart failure	17	19.3%
Cardiomyopathy	15	17.1%