And is covered by medicare. before using the dexcom g7, i wafingersts really frustratedt you won't see what stuck. dexcom g7 sensor glucose numbers to your phone or dexcom and be painful finger sticks. the arrow shows the direction af down or steady. and because dexcom g7 is thetedg most accurate cgm, you can make better decisions about food medicationi lead la week, activ. the moment. >> after using the dexcom g7, my onesie has never been lower.e edi lead nine deaths in three times a week and i'm just three times a week and i'm just living a great life no w. has given me confidencgee contrl t...