Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -rd336db3909e3c5865ede9da2da640e7df6743b11 -re963db266989fd82b8b6023bb1a139afcb45c091
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision d336db3909e3c5865ede9da2da640e7df6743b11)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision e963db266989fd82b8b6023bb1a139afcb45c091)
@@ -35,7 +35,7 @@
 
 #define ARTERIAL_PRESSURE_V_BIAS            ( 3.0 )                                         ///< Bias voltage for arterial pressure sensor.
 #define ARTERIAL_PRESSURE_SENSITIVITY       ( 0.000005 )                                    ///< Sensitivity for arterial pressure sensor is 5 uV / mmHg
-#define ARTERIAL_PRESSURE_V_PER_BIT         ( ARTERIAL_PRESSURE_V_BIAS / (F32)0x800000 )    ///< Volts per bit in 24-bit arterial pressure sensor reading.
+#define ARTERIAL_PRESSURE_V_PER_BIT         ( ARTERIAL_PRESSURE_V_BIAS / (F32)0x1000000 )   ///< Volts per bit in 24-bit arterial pressure sensor reading.
 
 #define VENOUS_PRESSURE_OFFSET              ( 1638 )                                        ///< Offset for 14-bit venous pressure sensor reading.
 #define VENOUS_PRESSURE_SCALE               ( 14745 - VENOUS_PRESSURE_OFFSET )              ///< Scale for venous pressure sensor.
@@ -204,7 +204,7 @@
     F32 venPresPSI;
 
     // TODO - convert ADC counts to mmHg for each sensor
-    arterialPressure.data = ARTERIAL_PRESSURE_V_PER_BIT * ( (F32)(artPres) / ( ARTERIAL_PRESSURE_SENSITIVITY / ARTERIAL_PRESSURE_V_BIAS ) );
+    arterialPressure.data = ARTERIAL_PRESSURE_V_PER_BIT * ( (F32)(artPres) / ( ARTERIAL_PRESSURE_SENSITIVITY * ARTERIAL_PRESSURE_V_BIAS ) );
     venPresPSI = ( (F32)(venPres - VENOUS_PRESSURE_OFFSET) * (VENOUS_PRESSURE_MAX - VENOUS_PRESSURE_MIN) / (F32)VENOUS_PRESSURE_SCALE ) - VENOUS_PRESSURE_MIN;
     venousPressure.data = venPresPSI * PSI_TO_MMHG;
     bloodPumpOcclusion.data = (F32)bldOccl;