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U.S. Department of Health and Human Services

MAUDE Adverse Event Report: DEXCOM, INC. DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM; CONTINOUS GLUCOSE MONITOR

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DEXCOM, INC. DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM; CONTINOUS GLUCOSE MONITOR Back to Search Results
Model Number 9500-27
Device Problems Use of Device Problem (1670); Invalid Sensing (2293)
Patient Problems Abrasion (1689); Fall (1848); Laceration(s) (1946); Loss of consciousness (2418)
Event Date 12/19/2016
Event Type  Injury  
Manufacturer Narrative
(b)(4).Diabetes mellitus is a known cause of loss of consciousness.
 
Event Description
Dexcom was made aware on 12/23/2016, that on (b)(6) 2016, the continuous glucose monitor (cgm) had inaccuracies compared to blood glucose (bg) meter in addition to an adverse event that occurred.The sensor was inserted in the patient's abdomen on (b)(6) 2016.The patient's husband reported that cgm displayed value of 126mg/dl compared to bg meter value of 30mg/dl.The patient's husband reported the patient had passed out, fell, and hurt herself badly.The patient's husband discovered the patient had passed out at 8:15 am on (b)(6) 2016, and he called the paramedics.When the paramedics arrived they did a finger stick on the patient and her blood glucose (bg) was at 30mg/dl.The patient was taken to the emergency room (er) and was admitted for three days.It was stated that the patient was bleeding from the forehead and nose, scraps on both cheeks and elbows.The patient received twelve stitches on her forehead.The patient was released from the hospital on (b)(6) 2016 at 4 pm.The patient's husband reported the hospital would be making its own inquiry.No additional event or patient information is available.No product was provided for evaluation.The reported event could not be confirmed.A root cause cannot be determined.It was reported that calibration is not performed after experiencing cgm inaccuracies.Labeling indicates: if the difference between your sensor glucose reading and blood glucose value is greater than 20% of the blood glucose value for sensor glucose readings > 80 mg/dl or greater than 20 points for sensor glucose readings < 80 mg/dl, wash your hands and take another blood glucose measurement.If the difference between this second blood glucose measurement and the sensor is still greater than 20% for sensor glucose readings > 80 mg/dl or greater than 20 points for sensor glucose readings < 80 mg/dl, recalibrate your sensor using the second blood glucose value.The sensor glucose reading will correct over the next 15 minutes.It was reported that the patient did not enter fingerstick values into the cgm device promptly and accurately.  labeling indicates: to calibrate the system, enter the exact blood glucose value that your blood glucose meter displays within 5 minutes of a carefully performed blood glucose measurement.Entering incorrect blood glucose values or blood glucose values from more than 5 minutes before entry might affect sensor performance, and you might miss a low or high blood glucose value.
 
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Brand Name
DEXCOM G4 PLATINUM CONTINUOUS GLUCOSE MONITORING SYSTEM
Type of Device
CONTINOUS GLUCOSE MONITOR
Manufacturer (Section D)
DEXCOM, INC.
6340 sequence drive
san diego CA 92121
Manufacturer (Section G)
DEXCOM, INC.
6340 sequence drive
san diego CA 92121
Manufacturer Contact
kipp durbin
6340 sequence drive
san diego, CA 92121
8582000200
MDR Report Key6262818
MDR Text Key65204155
Report Number3004753838-2017-01048
Device Sequence Number1
Product Code MDS
UDI-Device Identifier00386270000019
UDI-Public(01)00386270000019(241)9500-27(10)5216046(17)170809
Combination Product (y/n)N
Reporter Country CodeUS
PMA/PMN Number
P120005
Number of Events Reported1
Summary Report (Y/N)N
Report Source Manufacturer
Source Type consumer
Reporter Occupation Other
Type of Report Initial
Report Date 12/23/2016
1 Device was Involved in the Event
1 Patient was Involved in the Event
Is this an Adverse Event Report? Yes
Is this a Product Problem Report? No
Device Operator Lay User/Patient
Device Expiration Date08/09/2017
Device Model Number9500-27
Device Catalogue NumberSTS-GL-011
Device Lot Number5216046
Was Device Available for Evaluation? No
Is the Reporter a Health Professional? No
Initial Date Manufacturer Received 12/23/2016
Initial Date FDA Received01/19/2017
Was Device Evaluated by Manufacturer? Device Not Returned to Manufacturer
Date Device Manufactured08/09/2016
Is the Device Single Use? Yes
Is This a Reprocessed and Reused Single-Use Device? No
Type of Device Usage Initial
Patient Sequence Number1
Patient Outcome(s) Other;
Patient Age83 YR
Patient Weight91
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