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Langendorff and Working Heart

Interface with flow meters, fluid-filled balloon-tipped catheters and pressure-tipped catheters to monitor flow rates and left ventricular pressure. Perform a variety of LVP measurements, both on- and off-line. Use the built-in stimulator to pace the heart. Record continuously for short- and long-term studies, or pre-program to record for specific time periods and dosing events. AcqKnowledge® includes automated analysis routines for blood pressure and left ventricular pressure and will display the results as new channels and export them to a spreadsheet for further analysis.

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The following values are extracted on a cycle-by-cycle basis by the automated LVP analysis routine.

Name
Abbrev.
Contractility indexCI
Developed pressureDP
dP/dt Max
dP/dt Min
End diastolic pressureLVEDP
Minimum pressureMin
QA IntervalQA
Rate
Recovery time%REC
Systolic pressureSYS
TAU
Tension time indexTTI

The Blood Pressure analysis module extracts these values from BP waveform.

NameAbbrev.
Diastolic
Ejection timeET
Heart rateHR
Maximum dP/dtdP/dt max
Mean blood pressureMBP
Minimum dP/dtdP/dt min
QA IntervalQA
Recovery Interval%REC
Systolic
Time to peak pressureTTPK

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