Index: firmware/App/Controllers/SyringePump.c
===================================================================
diff -u -r19a8bf98a7154e24c35da25225d4b55bf70ddd09 -r28cd9da453de6282baea3113cf9f787810aae1e5
--- firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 19a8bf98a7154e24c35da25225d4b55bf70ddd09)
+++ firmware/App/Controllers/SyringePump.c	(.../SyringePump.c)	(revision 28cd9da453de6282baea3113cf9f787810aae1e5)
@@ -940,6 +940,11 @@
     syringePumpMeasHome.data = ( (F32)getFPGASyringePumpADCChannel2() * SYRINGE_PUMP_ADC_REF_V ) / SYRINGE_PUMP_ADC_FULL_SCALE_BITS;
     syringePumpMeasSyringeDetectionSwitch.data = ( (F32)getFPGASyringePumpADCChannel1() * SYRINGE_PUMP_ADC_REF_V ) / SYRINGE_PUMP_ADC_FULL_SCALE_BITS;
 
+    // Log syringe detect switch changes
+    if ( prevSyringeDetected !=  isSyringeDetected() )
+    {
+        sendTreatmentLogEventData( SYRINGE_DETECTION_SWITCH_CHANGED_EVENT, (F32)prevSyringeDetected, (F32)isSyringeDetected() );
+    }
 #ifndef _RELEASE_
     if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_SYRINGE_PUMP_ALARMS ) != SW_CONFIG_ENABLE_VALUE )
 #endif
@@ -977,7 +982,7 @@
     syringePumpLastPosition = getSyringePumpPosition();
     syringePumpPosition.data = encPosition - syringePumpHomePositionOffset;
     // Calculate volume delivered from position
-    syringePumpVolumeDelivered.data = (F32)(syringePumpPosition.data - syringePumpVolumeStartPosition) / SYRINGE_ENCODER_COUNTS_PER_ML;
+    syringePumpVolumeDelivered.data = (F32)( syringePumpPosition.data - syringePumpVolumeStartPosition ) / SYRINGE_ENCODER_COUNTS_PER_ML;
     calcSafetyVolumeDelivered();
     // Calculate measured rate (mL/hr)
     calcMeasRate();