EP MedSystems Invites You to Join Its First Quarter Conference Call On May 16, 2005

WEST BERLIN, N.J.--(BUSINESS WIRE)--May 11, 2005--EP MedSystems, Inc. (Nasdaq:EPMD - News) invites you to participate in a teleconference call to discuss first quarter results on May 16th at 4:30 p.m. EDT (1:30 p.m. PDT). Reinhard Schmidt, President and CEO will host the call. The teleconference will also be web cast.

• What: EP MedSystems Fiscal First Quarter Earnings Release
• When: May 16, 2005, 4:30 p.m. EDT
• Where: www.epmedsytems.com in the Investor Relations area of the site or by going to http://www.mkr-group.com.
• How: To listen to the live Webcast -- Simply log onto the web at either of the addresses above and click on the conference call icon. To access the live Conference Call, Dial: 800-218-9073. Participants are asked to call the assigned number approximately 10 minutes before the conference call begins.

Contact: Charles Messman or Todd Kehrli, MKR Group 818-556-3100

A replay of the conference call will be available two hours after the call for the five days following the call by dialing 800-405-2236 and entering the following pass code: 11030559#. Also, an instant replay of the conference call will be available over the Internet at www.epmedsytems.com in the Investor Relations area of the web site or by going to http://www.mkr-group.com

About EP MedSystems:
EP MedSystems develops and markets cardiac electrophysiology ("EP") products used to diagnose and treat certain cardiac rhythm disorders. The Company's EP product line includes the EP-WorkMate® Electrophysiology Workstation with RPM(TM) Real-time Position Management(TM) navigation technology, the EP-4(TM) Computerized Cardiac Stimulator, fixed and deflectable diagnostic electrophysiology catheters and related disposable supplies, the ALERT® System and ALERT family of internal cardioversion catheters, and the ViewMate® intracardiac ultrasound catheter imaging. For more information, visit our Website at www.epmedsystems.com.

Forward Looking Statements:
This Release may contain certain statements of a forward-looking nature relating to future events or the future financial performance of the Company. Forward-looking statements include information concerning our possible or assumed future results of operations and statements preceded by, followed by or including the words "believes", "expects", "anticipates", "intends", "plans", "estimates", "see opportunities" or similar expressions. Such forward-looking statements are based on our management's beliefs and assumptions and on information currently available to our management. Such forward-looking statements are only predictions and are subject to risks and uncertainties that could cause actual results or events to differ materially and adversely from the events discussed in the forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to, EP MedSystems' history of losses, uncertainty of market acceptance of our products and level of sales, uncertainty of future profitability and future liquidity needs, possible costs, fines or penalties that may be incurred in connection with government inquiries and investigations and risks regarding regulatory approvals and demand for new and existing products, as stated in the Company's Annual Report filed on Form 10-KSB and quarterly reports filed on Form 10-Q and 10-QSB.

EP MedSystems cautions investors and others to review the cautionary statements set forth in this press release and in EP MedSystems' reports filed with the Securities and Exchange Commission and cautions that other factors may prove to be important in affecting the EP MedSystems' business and results of operations. Readers are cautioned not to place undue reliance on this press release and other forward-looking statements, which speak only as of the date of this release. EP MedSystems undertakes no obligation to publicly release the results of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date of this report or to reflect the occurrence of unanticipated events.

For Further Information Contact:

EP MedSystems, Inc.
Matthew C. Hill
(856)753-8533

Investor Relations Firm:
MKR Group, LLC
Charles Messman, Todd Kehrli
(818)556-3700