Index: firmware/App/Modes/ModeTreatment.c
===================================================================
diff -u -r5153afc318dad6b9a469aaba20b8746994f5c70d -rdbfeaf78c05fc922eba6ff8c7a31ba8a9392c642
--- firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision 5153afc318dad6b9a469aaba20b8746994f5c70d)
+++ firmware/App/Modes/ModeTreatment.c	(.../ModeTreatment.c)	(revision dbfeaf78c05fc922eba6ff8c7a31ba8a9392c642)
@@ -1307,15 +1307,32 @@
     // If changes accepted, set new pressure limits
     if ( TRUE == result )
     {
+        S32 const artLowLimit = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT );
+        S32 const artHighLimit = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT );
+        S32 const venLowLimit = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT );
+        S32 const venHighLimit = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT );
+
         setTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT, data->artLowLimit );
         setTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT, data->artHighLimit );
         setTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT, data->venLowLimit );
         setTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT, data->venHighLimit );
 
-        sendTreatmentLogEventData( ARTERIAL_PRESSURE_LOWER_LIMIT_CHANGE_EVENT, getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT ), data->artLowLimit );
-        sendTreatmentLogEventData( ARTERIAL_PRESSURE_UPPER_LIMIT_CHANGE_EVENT, getTreatmentParameterS32( TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT ), data->artHighLimit );
-        sendTreatmentLogEventData( VENOUS_PRESSURE_LOWER_LIMIT_CHANGE_EVENT, getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT ), data->venLowLimit );
-        sendTreatmentLogEventData( VENOUS_PRESSURE_UPPER_LIMIT_CHANGE_EVENT, getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT ), data->venHighLimit );
+        if ( abs( artLowLimit - data->artLowLimit ) > 0 )
+        {
+            sendTreatmentLogEventData( ARTERIAL_PRESSURE_LOWER_LIMIT_CHANGE_EVENT, (F32)artLowLimit, (F32)data->artLowLimit );
+        }
+        if ( abs( artHighLimit - data->artHighLimit ) > 0 )
+        {
+            sendTreatmentLogEventData( ARTERIAL_PRESSURE_UPPER_LIMIT_CHANGE_EVENT, (F32)artHighLimit, (F32)data->artHighLimit );
+        }
+        if ( abs( venLowLimit - data->venLowLimit ) > 0 )
+        {
+            sendTreatmentLogEventData( VENOUS_PRESSURE_LOWER_LIMIT_CHANGE_EVENT, (F32)venLowLimit, (F32)data->venLowLimit );
+        }
+        if ( abs( venHighLimit - data->venHighLimit ) > 0 )
+        {
+            sendTreatmentLogEventData( VENOUS_PRESSURE_UPPER_LIMIT_CHANGE_EVENT, (F32)venHighLimit, (F32)data->venHighLimit );
+        }
     }
 
     // Read back limits for transmit to UI.