{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-10-13"
  },
  "results": [
    {
      "term": "Unexpected Shutdown",
      "count": 528
    },
    {
      "term": "Failure to Power Up",
      "count": 291
    },
    {
      "term": "Defibrillation/Stimulation Problem",
      "count": 224
    },
    {
      "term": "Electrical /Electronic Property Problem",
      "count": 199
    },
    {
      "term": "Failure to Deliver Shock/Stimulation",
      "count": 104
    },
    {
      "term": "Device Inoperable",
      "count": 85
    },
    {
      "term": "Key or Button Unresponsive/not Working",
      "count": 84
    },
    {
      "term": "Failure to Charge",
      "count": 78
    },
    {
      "term": "Failure to Deliver Energy",
      "count": 70
    },
    {
      "term": "Device Sensing Problem",
      "count": 64
    },
    {
      "term": "Inappropriate/Inadequate Shock/Stimulation",
      "count": 62
    },
    {
      "term": "Loss of Power",
      "count": 51
    },
    {
      "term": "Power Problem",
      "count": 51
    },
    {
      "term": "Failure to Sense",
      "count": 47
    },
    {
      "term": "Intermittent Loss of Power",
      "count": 38
    },
    {
      "term": "Connection Problem",
      "count": 34
    },
    {
      "term": "Nonstandard Device",
      "count": 34
    },
    {
      "term": "Device Displays Incorrect Message",
      "count": 26
    },
    {
      "term": "Energy Output Problem",
      "count": 26
    },
    {
      "term": "Fracture",
      "count": 21
    },
    {
      "term": "Defective Device",
      "count": 18
    },
    {
      "term": "Defective Component",
      "count": 15
    },
    {
      "term": "Inappropriate or Unexpected Reset",
      "count": 15
    },
    {
      "term": "Display or Visual Feedback Problem",
      "count": 14
    },
    {
      "term": "Failure to Analyze Signal",
      "count": 12
    },
    {
      "term": "Detachment of Device or Device Component",
      "count": 11
    },
    {
      "term": "Product Quality Problem",
      "count": 11
    },
    {
      "term": "Failure To Run On AC/DC",
      "count": 10
    },
    {
      "term": "Aborted Charge",
      "count": 9
    },
    {
      "term": "Device Operates Differently Than Expected",
      "count": 9
    },
    {
      "term": "Out-Of-Box Failure",
      "count": 9
    },
    {
      "term": "Mechanical Problem",
      "count": 8
    },
    {
      "term": "Impedance Problem",
      "count": 6
    },
    {
      "term": "No Display/Image",
      "count": 6
    },
    {
      "term": "Delayed Charge Time",
      "count": 5
    },
    {
      "term": "Device Damaged Prior to Use",
      "count": 5
    },
    {
      "term": "Device Issue",
      "count": 5
    },
    {
      "term": "Incorrect Interpretation of Signal",
      "count": 5
    },
    {
      "term": "Unable to Obtain Readings",
      "count": 5
    },
    {
      "term": "Use of Device Problem",
      "count": 5
    },
    {
      "term": "Difficult or Delayed Activation",
      "count": 4
    },
    {
      "term": "Charging Problem",
      "count": 3
    },
    {
      "term": "Failure to Shut Off",
      "count": 3
    },
    {
      "term": "No Pacing",
      "count": 3
    },
    {
      "term": "Signal Artifact/Noise",
      "count": 3
    },
    {
      "term": "Activation Failure",
      "count": 2
    },
    {
      "term": "Circuit Failure",
      "count": 2
    },
    {
      "term": "Fire",
      "count": 2
    },
    {
      "term": "Improper or Incorrect Procedure or Method",
      "count": 2
    },
    {
      "term": "Inaccurate Information",
      "count": 2
    },
    {
      "term": "Application Interface Becomes Non-Functional Or Program Exits Abnormally",
      "count": 1
    },
    {
      "term": "Battery Problem",
      "count": 1
    },
    {
      "term": "Break",
      "count": 1
    },
    {
      "term": "Communication or Transmission Problem",
      "count": 1
    },
    {
      "term": "Date/Time-Related Software Problem",
      "count": 1
    },
    {
      "term": "Device Contamination with Chemical or Other Material",
      "count": 1
    },
    {
      "term": "Device Maintenance Issue",
      "count": 1
    },
    {
      "term": "Electrical Power Problem",
      "count": 1
    },
    {
      "term": "Energy Output To Patient Tissue Incorrect",
      "count": 1
    },
    {
      "term": "Failure of Device to Self-Test",
      "count": 1
    },
    {
      "term": "Failure to Discharge",
      "count": 1
    },
    {
      "term": "Failure to Read Input Signal",
      "count": 1
    },
    {
      "term": "Failure to Transmit Record",
      "count": 1
    },
    {
      "term": "Gas/Air Leak",
      "count": 1
    },
    {
      "term": "Inaccurate Synchronization",
      "count": 1
    },
    {
      "term": "Incorrect, Inadequate or Imprecise Result or Readings",
      "count": 1
    },
    {
      "term": "Insufficient Device Problem Information",
      "count": 1
    },
    {
      "term": "Intermittent Shock/Stimulation",
      "count": 1
    },
    {
      "term": "Loose or Intermittent Connection",
      "count": 1
    },
    {
      "term": "Material Fragmentation",
      "count": 1
    },
    {
      "term": "Mechanical Jam",
      "count": 1
    },
    {
      "term": "Operating System Becomes Nonfunctional",
      "count": 1
    },
    {
      "term": "Output Problem",
      "count": 1
    },
    {
      "term": "Protective Measures Problem",
      "count": 1
    },
    {
      "term": "Self-Activation or Keying",
      "count": 1
    },
    {
      "term": "Sensing Intermittently",
      "count": 1
    },
    {
      "term": "Therapeutic or Diagnostic Output Failure",
      "count": 1
    }
  ]
}