Index: firmware/App/Controllers/PresOccl.c
===================================================================
diff -u -r23016be42e59935da5aa53b26b8cb31e2a240858 -rfcb9a1dce7d9b2de3ff0b725282d4ea3ddf14b1d
--- firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision 23016be42e59935da5aa53b26b8cb31e2a240858)
+++ firmware/App/Controllers/PresOccl.c	(.../PresOccl.c)	(revision fcb9a1dce7d9b2de3ff0b725282d4ea3ddf14b1d)
@@ -37,10 +37,12 @@
 
 /// Default publication interval for pressure and occlusion data.
 #define PRES_OCCL_DATA_PUB_INTERVAL         ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )       ///< Interval (ms/task time) at which the pressure/occlusion data is published on the CAN bus.
-
+
+#define ARTERIAL_PRESSURE_CONVERSION_COEFF  0x800000                                        ///< Arterial pressure conversion coefficient.
 #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)ARTERIAL_PRESSURE_CONVERSION_COEFF )     ///< 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.
@@ -407,7 +409,7 @@
     else
     {
         U32 fpgaArtPres = getFPGAArterialPressure();
-        S32 artPres     = (S32)( fpgaArtPres & MASK_OFF_U32_MSB ) - 0x800000;   // Subtract 2^23 from low 24 bits to get signed reading
+        S32 artPres     = (S32)( fpgaArtPres & MASK_OFF_U32_MSB ) - ARTERIAL_PRESSURE_CONVERSION_COEFF;   // Subtract 2^23 from low 24 bits to get signed reading
         rawArterialPres = (F32)artPres;
         artPresAlarm    = (U08)( fpgaArtPres >> SHIFT_24_BITS );                // High byte is alarm code for arterial pressure
     }