FITCHBURG, Mass.--(BUSINESS WIRE)--Arrhythmia Research Technology, Inc. (the “Company”) (AMEX: HRT) and its wholly owned subsidiary Micron Products, Inc. (“Micron”) reported total revenue of $5,400,000 and net income of $446,000 for the quarter ended June 30, 2007 compared to total revenue of $4,656,000 and net income of $577,000 for the same quarter of 2006. Basic net income per share for the three months ended June 30, 2007 decreased to $0.16 per share from $0.22 per share for the same period in 2006.