Arrhythmia Research Technology

Arrhythmia Research Technology Reports 12.8% Net Sales Growth and 5.1 Point Margin Expansion in 2014

FITCHBURG, Mass., March 20, 2015 (GLOBE NEWSWIRE) — Arrhythmia Research Technology, Inc. (NYSE MKT:HRT) (the “Company”), through its wholly-owned subsidiary,…