FDA Adverse Event Malfunction Summary report: N

SEVEN CONTINUOUS GLUCOSE MONITORING SENSOR

MDR report key: 2091142 · Received May 9, 2011

Report

Report Number
3004753838-2011-00142
Event Type
Malfunction
Date Received
May 9, 2011
Date of Event
April 9, 2011
Report Date
April 21, 2011
Manufacturer
DEXCOM, INC.
Product Code
MDS
PMA / PMN Number
P050012
Adverse Event
Yes
Product Problem
Yes
Report Source
Manufacturer report
Reporter Occupation
NOT APPLICABLE

Narratives

Additional Manufacturer Narrative · 1

CURRENTLY, IT IS UNKNOWN WHETHER OR NOT THE DEVICE MAY HAVE CAUSED OR CONTRIBUTED TO THE EVENT AS NO PRODUCT HAS BEEN RETURNED. NO CONCLUSION CAN BE DRAWN AT THIS TIME. WE THEREFORE CONSIDER THIS REPORT COMPLETE TO THE BEST OF OUR KNOWLEDGE.

Description of Event or Problem · 1

PATIENT CONTACTED DEXCOM TECHNICAL SUPPORT ON (B)(6) 2011 TO REPORT THAT SHE EXPERIENCED INACCURACY IN CGM READINGS DURING AN EXTREME LOW ON TWO OCCASIONS (ABOUT 50-150 MG/DL DIFFERENCE BETWEEN CGM AND BG READINGS). ON (B)(6) 2011, PATIENT'S MOTHER FOUND THE PATIENT UNCONSCIOUS WHILE ASLEEP, TESTED HER BLOOD GLUCOSE (BG) AT 30 MG/DL, AND CALLED THE PARAMEDICS. UPON ARRIVAL, PARAMEDICS TESTED THE PATIENT'S BG AT 18 MG/DL AND ADMINISTERED A GLUCOSE IV. PATIENT REGAINED CONSCIOUSNESS BUT REFUSED TRANSPORT TO THE HOSPITAL. ON (B)(6) 2011, PATIENT RETURNED HOME FROM A NEARBY STORE (CGM 122 MG/DL PRIOR TO LEAVING THE STORE) ABOUT 10 MINUTES AWAY AND WAS FOUND UNCONSCIOUS ON THE KITCHEN FLOOR BY HER MOTHER SOON AFTER. MOTHER TESTED PATIENT'S BG AT 29 MG/DL AND CALLED THE PARAMEDICS, WHO ARRIVED AND TESTED PATIENT'S BG AT 18 MG/DL. PARAMEDICS ADMINISTERED A GLUCOSE IV, AND PATIENT REGAINED CONSCIOUSNESS BUT REFUSED TRANSPORT TO THE HOSPITAL. PATIENT REPORTED THAT SHE HAD TAKEN EXTRA BOLUSES OF INSULIN ON (B)(6) 2011. PATIENT WAS FULLY RECOVERED AT THE TIME OF HER CALL TO DEXCOM TECHNICAL SUPPORT. THIS IS MDR 1 OF 2 FOR THE COMPLAINT. SEE MDR #3004753838-2011-00143 FOR REPORT 2 OF 2.

Devices

Seq Brand Generic Product Code Manufacturer Model Lot UDI-DI
1 SEVEN CONTINUOUS GLUCOSE MONITORING SENSOR MDS DEXCOM, INC. 9500-03

Patients

Seq Age Sex Outcome Treatment
1 51 YR Other