Detailed Operation; Hardware Connections; Iii. Detailed Operation - Millar MPVS Ultra User Manual

III. Detailed Operation

Hardware Connections

Front Panel
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1. Lighted Power Indicator - The green indicator will be lit when the system is receiving
power and turned on.
2. Cuvette Input – Rho Calibration Cuvette connects to the MPVS Ultra and provides
resistivity value for volume calibration (color-coded gray)
3. ECG Input – External ECG electrodes can be connected to the MPVS Ultra (input color-
coded green) and the signal can be displayed real-time
4. Pressure-Only Catheter Input (P2) – A second, pressure-only, Mikro-Tip
connected to the MPVS Ultra. The input to the second pressure channel can be through
the P2 connector (color-coded blue) or the P-V connector (color-coded black).
5. Pressure-Volume Catheter Input (P-V) – The MPVS Ultra connects to all of Millar's
Pressure-Volume catheters including the Ultra-miniature single segment P-V catheters
and the Multi-Segment P-V catheters with the appropriate cables. The system can accept
inputs from P-V transducers with one or two pressure sensors. When connecting to a
three-connector, dual-pressure P-V transducer, be sure to follow the labeling on the
connectors to ensure that the pressure sensor inputs are not swapped.
6. Analog Pressure Outputs - The MPVS Ultra provides analog output for both pressure
channels at individual BNC connectors. The pressure signals (P1 and P2) are scaled to
1V/100mmHg.
7. Analog Composite Volume Output – The MPVS Ultra provides an analog composite
volume channel that outputs the analog sum of the individual volume segments. This
signal is useful for viewing real-time P-V loops in the data acquisition software. The
volume signal compliance can be altered with the gain adjust function in the MPVS Ultra
Control Interface.
8. Analog Volume Segment Outputs – The MPVS Ultra provides an analog output for a
maximum of seven volume segments which can be displayed in real-time on a computer
through the data acquisition system. The pressure-volume analysis software PVAN Ultra
will use these individual segments. The volume signal compliance can be altered with
the gain adjust function in the MPVS Ultra Control Interface.
M.I. P/N 004-2163 Rev. C
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catheter can be