Philips Healthcare Inc. HeartStart MRx (M3535A/M3536A) Defibrillator/Monitor. The HeartStart MRx/MRxE 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 basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician. Recall
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
HeartStart MRx (M3535A/M3536A) Defibrillator/Monitor. The HeartStart MRx/MRxE 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 basic life support, advanced cardiac support, or defibrillation. It must be used by or on the order of a physician.
Brand
Philips Healthcare Inc.
Lot Codes / Batch Numbers
Serial numbers within the following range. US00533518 through US00535118.
Products Sold
Serial numbers within the following range. US00533518 through US00535118.
Philips Healthcare Inc. is recalling HeartStart MRx (M3535A/M3536A) Defibrillator/Monitor. The HeartStart MRx/MRxE is for use for the te due to incorrect default configuration settings, insufficient battery power as the user may not be alerted that no battery is installed or that a low battery. Based on FDA medical device recall database.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
incorrect default configuration settings, insufficient battery power as the user may not be alerted that no battery is installed or that a low battery condition exists prior to disconnecting from AC or DC power
Recommended Action
Per FDA guidance
Philips Healthcare issued a Urgent Voluntary Medical Device Correction Notification on August 21, 2009 advising users of the problem and Customers are asked to follow the "Action to be taken by customer/user" section of the Urgent Voluntary Medical Device Correction Notification. In this section, customers are given the instructions to correct their devices. For further information or support concerning this issue, please contact Philips representative at 1-800-722-9377.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 10, 2026