Philips Medical Systems, Inc.: HeartStart MRx Defibrillator/Monitor M3538A Lithium Ion Batteries Revision J The HeartStart MRx is for use for the termination of ventricular tachycardia and ventricular fibrillation. The device is for use by qualified medical personnel trained in the operation of the device and qualified by training in basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician

Recall number

Z-1120-2014

Recalling firm

Philips Medical Systems, Inc.

Product

HeartStart MRx Defibrillator/Monitor M3538A Lithium Ion Batteries Revision J The HeartStart MRx is for use for the termination of ventricular tachycardia and ventricular fibrillation. The device is for use by qualified medical personnel trained in the operation of the device and qualified by training in basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician

Status

Terminated

Initiated

2014-02-18

Posted

2014-02-26

Terminated

2020-09-03

Reason

Philips HeartStart MRx Monitor/Defibrillator, when operating on battery power only, may experience an unexpected shutdown if exposed to elevated levels of electromagnetic interference from RF energy source

Root cause

Device Design

Action

The firm, Philips Healthcare, sent an "URGENT- Medical Device Correction" letter dated February 2014 and issued a Field Safety Notice on February 18/ 2014 to its customers. The letter and field safety notice informs customers of the issue, identifies details of the units affected, gives instructions on actions to be taken by the customer and identifies what action Philips plans to take to remedy the issue. Philips will replace the affected batteries free of charge. Philips instructed customers to follow the Action to be Taken by Customer/User section of the Field Safety Notice. Fixed, portable, and mobile radio frequency communications equipment can affect the performance of medical equipment. See the HeartStart MRx Instructions for Use for the minimum recommended separation distance between RF communications equipment and the HeartStart MRx. The condition can be avoided by operating the device on AC or external DC power or by the following actions when operating on battery. If you need any further information or support concerning this issue, please contact your local Philips representative or call us at 1-800-722-9377.

Quantity

43,792 batteries

Distribution

Worldwide Distribution: US (nationwide) and Internationally to: ALBANIA, ARGENTINA, ARUBA, AUSTRALIA, AUSTRIA, AZERBAIJAN, BAHRAIN, BANGLADESH, BELGUIM, BOLIVIA, BRAZIL, CANADA, CHINA, COLOMBIA, CONGO, CROATIA, CZECH REPUBLIC, DENMARK, EGYPT, EL SALVADOR, ESTONIA, ETHIOPIA, FINLAND, FRANCE, GERMANY, HONG KONG, ICELAND, INDIA, INDONESIA, IRELAND, ISRAEL, ITALY, JAPAN, JORDAN, KAZAKHSTAN, KENYA, KOREA REPUBLIC, KUWAIT, LATIVA, LEBANON, LIBYAN ARAB, LITHUANIA, MALAYSIA, MALTA, MEXICO, MONGOLIA, MOROCCO, MOZAMBIQUE, MYANMAR, NEPAL, NETHERLANDS, NEW CALEDONIA, NEW ZEALAND, NICARAGUA, NIGERIA, NORWAY, OMAN, PAKISTAN, PARAGUAY, PERU, PHILIPPINES, POLAND, PORTUGAL, QATAR, ROMANIA, RUSSIAN FEDERAL, SAUDIA ARABIA, SERBIA, SINGAPORE, SLOVENIA, SOUTH AFRICA, SPAIN, SWEDEN, SWITZERLAND, TAIWAN PROVIDENCE, THAILAND, TRINIDAND AND TABAGO, TUNISIA, TURKEY, TURKMENISTANIA, UKRAINE, UNITED ARAB EMIRATES, UNITED KINGDOM, UZBEKISTAN, VENEZUELA, and VIETNAM.

Lot, serial or model codes

Serial numbers:  11327-0019-P  11315-0023-P 11315-0027-P 11315-0031-P 11315-0032-P 11315-0033-P 11315-0036-P 11315-0109-P 11315-0214-P 11315-0219-P 11315-0391-P 11322-0084-P 11322-0088-P 11327-0043-P 11327-0044-P  Or within the following range:  11335-xxxx-P to 13214-xxxx-P

510(k) numbers

["K051134"]

PMA numbers

not on file

Product code

MKJ

Firm FEI

1218950

Firm city

Andover

Firm state

MA

Firm country

not on file

Cite as

FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28

Copy