Phillips Electronics North America Corp. has recalled 71 HeartStart MRx defibrillators produced in September and October 2016 due to a defect that may cause the device to fail, the Food and Drug Administration announced Friday. If used in automated external defibrillator mode after failing, the device will not delivery patient therapy, which may lead to serious patient injury or death, the agency said. For more information and a list of affected devices, see the FDA notice.