Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r52787cd53986cfd0abb7e674bf096898e5070f9a -r5069769a675a529142dfd5f9fb2491380cec8b83
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 52787cd53986cfd0abb7e674bf096898e5070f9a)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 5069769a675a529142dfd5f9fb2491380cec8b83)
@@ -1458,15 +1458,20 @@
         if ( ++isolatedUFBroadcastTimerCtr >= ULTRAFILTRATION_DATA_PUB_INTERVAL )
         {
             ISOLATED_UF_DATA_PAYLOAD_T data;
-            U32 durationInMinutes    = getIsolatedUFDurationMin();
-            F32 volumeGoalMl         = getIsolatedUFSetVolumeMl();
+            U32 durationInMinutes = getIsolatedUFDurationMin();
+            U32 durationSec       = durationInMinutes * SEC_PER_MIN;
+            U32 elapsedSec        = getIsolatedUFSessionElapsedTimeSec();
+            F32 volumeGoalMl      = getIsolatedUFSetVolumeMl();
 
             data.mDuration        = durationInMinutes;
-            data.mSetVolume       = (U32)volumeGoalMl;
-            data.mVolumeDelivered = (U32)( getIsolatedUFVolumeDrawn() * (F32)ML_PER_LITER );
-            data.mRate            = (U32)getIsolatedUFRateMlMin();
+            data.mElapsedTime     = elapsedSec;
+            data.mRemainingTime   = ( durationSec > elapsedSec ) ? ( durationSec - elapsedSec ) : 0U;
+            data.mSetVolume       = volumeGoalMl;
+            data.mVolumeDelivered = getIsolatedUFVolumeDrawn() * (F32)ML_PER_LITER;
+            data.mRate            = getIsolatedUFRateMlMin();
 
-            sendMessage( MSG_ID_TD_ISOLATED_UF_DATA, COMM_BUFFER_OUT_CAN_TD_BROADCAST, (U08*)(&data), sizeof( ISOLATED_UF_DATA_PAYLOAD_T ) );
+            sendMessage( MSG_ID_TD_ISOLATED_UF_DATA, COMM_BUFFER_OUT_CAN_TD_BROADCAST, (U08 *)(&data), sizeof( ISOLATED_UF_DATA_PAYLOAD_T ) );
+
             isolatedUFBroadcastTimerCtr = 0;
         }
     }