Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r2bdd010a62ea113058640fc1e9c763dcf885c93c -r735226fefeab1dc5219d6cebee749e0c27b2ce21
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 2bdd010a62ea113058640fc1e9c763dcf885c93c)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 735226fefeab1dc5219d6cebee749e0c27b2ce21)
@@ -946,21 +946,20 @@
         U16 spdDelta;
         U16 delta;
 
-        // Keep a running 32-bit edge count used for safety check on volume in some functions
-        bloodPumpMotorEdgeCount += delta;
-
         // Determine blood pump speed/direction from delta hall sensor count since last interval
         if ( incDelta < decDelta )
         {
             spdDelta = incDelta;
             bloodPumpSpeedRPM.data = ( (F32)spdDelta / (F32)BP_HALL_EDGE_COUNTS_PER_REV ) * (F32)SEC_PER_MIN;
+            // Keep a running 32-bit edge count used for safety check on volume in some functions
             delta = ( bpMotorHallSensorCount >= last ? bpMotorHallSensorCount - last : ( HEX_64_K - last ) + bpMotorHallSensorCount );
             bloodPumpMotorEdgeCount += delta;
         }
         else
         {
             spdDelta = decDelta;
             bloodPumpSpeedRPM.data = ( (F32)spdDelta / (F32)BP_HALL_EDGE_COUNTS_PER_REV ) * (F32)SEC_PER_MIN * -1.0;
+            // Keep a running 32-bit edge count used for safety check on volume in some functions
             delta = ( bpMotorHallSensorCount <= last ? last - bpMotorHallSensorCount : ( HEX_64_K - bpMotorHallSensorCount ) + last );
             bloodPumpMotorEdgeCount -= (S32)delta;
         }