{
  "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": "Device Operates Differently Than Expected",
      "count": 7161
    },
    {
      "term": "Device Displays Incorrect Message",
      "count": 4111
    },
    {
      "term": "Failure of Device to Self-Test",
      "count": 2769
    },
    {
      "term": "Battery Problem",
      "count": 2233
    },
    {
      "term": "Failure to Power Up",
      "count": 2148
    },
    {
      "term": "Break",
      "count": 2008
    },
    {
      "term": "Failure to Charge",
      "count": 1752
    },
    {
      "term": "No Display/Image",
      "count": 1288
    },
    {
      "term": "Device Inoperable",
      "count": 1218
    },
    {
      "term": "Incorrect, Inadequate or Imprecise Result or Readings",
      "count": 1030
    },
    {
      "term": "Defibrillation/Stimulation Problem",
      "count": 1025
    },
    {
      "term": "Loss of Power",
      "count": 1004
    },
    {
      "term": "Therapeutic or Diagnostic Output Failure",
      "count": 996
    },
    {
      "term": "Defective Device",
      "count": 979
    },
    {
      "term": "Unable to Obtain Readings",
      "count": 863
    },
    {
      "term": "Electrical /Electronic Property Problem",
      "count": 809
    },
    {
      "term": "Defective Component",
      "count": 780
    },
    {
      "term": "Power Problem",
      "count": 748
    },
    {
      "term": "Computer Operating System Problem",
      "count": 697
    },
    {
      "term": "Charging Problem",
      "count": 694
    },
    {
      "term": "Noise, Audible",
      "count": 688
    },
    {
      "term": "Failure to Sense",
      "count": 607
    },
    {
      "term": "Material Twisted/Bent",
      "count": 579
    },
    {
      "term": "Failure to Calibrate",
      "count": 558
    },
    {
      "term": "Appropriate Device Problem Term/Code Not Available",
      "count": 539
    },
    {
      "term": "Pacing Problem",
      "count": 476
    },
    {
      "term": "Failure to Deliver Shock/Stimulation",
      "count": 458
    },
    {
      "term": "Failure to Discharge",
      "count": 425
    },
    {
      "term": "Failure to Read Input Signal",
      "count": 399
    },
    {
      "term": "Display or Visual Feedback Problem",
      "count": 398
    },
    {
      "term": "Device Sensing Problem",
      "count": 381
    },
    {
      "term": "Bent",
      "count": 353
    },
    {
      "term": "Naturally Worn",
      "count": 353
    },
    {
      "term": "Application Interface Becomes Non-Functional Or Program Exits Abnormally",
      "count": 343
    },
    {
      "term": "Calibration Problem",
      "count": 305
    },
    {
      "term": "Device Stops Intermittently",
      "count": 285
    },
    {
      "term": "Output Problem",
      "count": 268
    },
    {
      "term": "Self-Activation or Keying",
      "count": 247
    },
    {
      "term": "Communication or Transmission Problem",
      "count": 226
    },
    {
      "term": "Device Alarm System",
      "count": 221
    },
    {
      "term": "Mechanical Problem",
      "count": 221
    },
    {
      "term": "Insufficient Device Problem Information",
      "count": 211
    },
    {
      "term": "Connection Problem",
      "count": 201
    },
    {
      "term": "Protective Measures Problem",
      "count": 199
    },
    {
      "term": "Loose or Intermittent Connection",
      "count": 193
    },
    {
      "term": "Output below Specifications",
      "count": 189
    },
    {
      "term": "Energy Output Problem",
      "count": 186
    },
    {
      "term": "No Device Output",
      "count": 172
    },
    {
      "term": "Component Missing",
      "count": 160
    },
    {
      "term": "Sparking",
      "count": 145
    },
    {
      "term": "Image Display Error/Artifact",
      "count": 143
    },
    {
      "term": "Poor Quality Image",
      "count": 134
    },
    {
      "term": "Crack",
      "count": 124
    },
    {
      "term": "Material Split, Cut or Torn",
      "count": 111
    },
    {
      "term": "Fracture",
      "count": 110
    },
    {
      "term": "Inappropriate/Inadequate Shock/Stimulation",
      "count": 107
    },
    {
      "term": "Device Issue",
      "count": 106
    },
    {
      "term": "Signal Artifact/Noise",
      "count": 104
    },
    {
      "term": "Adverse Event Without Identified Device or Use Problem",
      "count": 102
    },
    {
      "term": "Material Integrity Problem",
      "count": 102
    },
    {
      "term": "Inappropriate or Unexpected Reset",
      "count": 96
    },
    {
      "term": "Unexpected Shutdown",
      "count": 95
    },
    {
      "term": "Intermittent Continuity",
      "count": 92
    },
    {
      "term": "Failure to Shut Off",
      "count": 84
    },
    {
      "term": "Detachment Of Device Component",
      "count": 82
    },
    {
      "term": "Premature Discharge of Battery",
      "count": 79
    },
    {
      "term": "Failure to Deliver Energy",
      "count": 77
    },
    {
      "term": "Degraded",
      "count": 76
    },
    {
      "term": "Intermittent Loss of Power",
      "count": 76
    },
    {
      "term": "Sticking",
      "count": 75
    },
    {
      "term": "Torn Material",
      "count": 75
    },
    {
      "term": "Failure to Analyze Signal",
      "count": 68
    },
    {
      "term": "Device Maintenance Issue",
      "count": 67
    },
    {
      "term": "Erratic or Intermittent Display",
      "count": 65
    },
    {
      "term": "Failure to Capture",
      "count": 62
    },
    {
      "term": "Failure to Deliver",
      "count": 62
    },
    {
      "term": "Failure to Run on Battery",
      "count": 58
    },
    {
      "term": "Incorrect Or Inadequate Test Results",
      "count": 55
    },
    {
      "term": "Inadequate User Interface",
      "count": 54
    },
    {
      "term": "Material Discolored",
      "count": 51
    },
    {
      "term": "Computer Software Problem",
      "count": 49
    },
    {
      "term": "Detachment of Device or Device Component",
      "count": 48
    },
    {
      "term": "Improper Device Output",
      "count": 48
    },
    {
      "term": "Low Battery",
      "count": 45
    },
    {
      "term": "Reset Problem",
      "count": 45
    },
    {
      "term": "Component Falling",
      "count": 44
    },
    {
      "term": "Failure To Run On AC/DC",
      "count": 44
    },
    {
      "term": "Thermal Decomposition of Device",
      "count": 43
    },
    {
      "term": "Device Markings/Labelling Problem",
      "count": 41
    },
    {
      "term": "Fitting Problem",
      "count": 41
    },
    {
      "term": "Improper or Incorrect Procedure or Method",
      "count": 41
    },
    {
      "term": "Circuit Failure",
      "count": 40
    },
    {
      "term": "Difficult or Delayed Activation",
      "count": 40
    },
    {
      "term": "Material Deformation",
      "count": 40
    },
    {
      "term": "No Audible Alarm",
      "count": 40
    },
    {
      "term": "No Pacing",
      "count": 40
    },
    {
      "term": "Device Slipped",
      "count": 39
    },
    {
      "term": "Blank screen",
      "count": 36
    },
    {
      "term": "Device Fell",
      "count": 36
    },
    {
      "term": "Disconnection",
      "count": 36
    }
  ]
}