Index: leahi_dialin/td/modules/blood_flow.py
===================================================================
diff -u -r7bc77fbed67b88c023d9b659dc7b7b27ec9b8741 -r2ef41bc7fb2b7ddd59061ee453ec7efd9f676eda
--- leahi_dialin/td/modules/blood_flow.py	(.../blood_flow.py)	(revision 7bc77fbed67b88c023d9b659dc7b7b27ec9b8741)
+++ leahi_dialin/td/modules/blood_flow.py	(.../blood_flow.py)	(revision 2ef41bc7fb2b7ddd59061ee453ec7efd9f676eda)
@@ -80,11 +80,11 @@
         rpm = struct.unpack('f', bytearray(
             message['message'][MsgFieldPositions.START_POS_FIELD_6:MsgFieldPositions.END_POS_FIELD_6]))
         rot = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_8:MsgFieldPositions.END_POS_FIELD_7]))
+            message['message'][MsgFieldPositions.START_POS_FIELD_7:MsgFieldPositions.END_POS_FIELD_7]))
         pres = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_9:MsgFieldPositions.END_POS_FIELD_8]))
+            message['message'][MsgFieldPositions.START_POS_FIELD_8:MsgFieldPositions.END_POS_FIELD_8]))
         hal = struct.unpack('I', bytearray(
-            message['message'][MsgFieldPositions.START_POS_FIELD_10:MsgFieldPositions.END_POS_FIELD_9]))
+            message['message'][MsgFieldPositions.START_POS_FIELD_9:MsgFieldPositions.END_POS_FIELD_9]))
 
         self.set_blood_flow_rate = tgt[0]
         self.measured_blood_flow_rate = flow[0]