VDO MG 2100 Specifiche Scaricare il pdf (Pagina 379)

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Rev 1.1 VisualSonics Vevo 2100 Imaging System Operator Manual 379

Appendix A: Measurement package protocols

Cycles Aorta cycles (none) VTI PW Doppler

PV VTI Pulmonary velocity time integral cm VTI PW Doppler

Mean Vel Pulmonary mean velocity mm/s VTI PW Doppler

Mean Grad Pulmonary mean pressure gradient mmHg VTI PW Doppler

Peak Vel Pulmonary peak velocity mm/s VTI PW Doppler

Peak Grad Pulmonary peak pressure gradient mmHg VTI PW Doppler

Cycles RVOT cycles (none) VTI PW Doppler

AV Peak V Aortic valve peak velocity mm/s Vertical Velocity PW Doppler

Calculation definitions

Name Description Units Formula

AoV SV Aortic valve stroke volume µL

7.85 *LVOT

* AoV VTI

AoV CO Aortic valve cardiac output ml/min

(AoV SV * HR(from LVOT)) / 1000

PV SV Pulmonary valve stroke volume µL

7.85 * RVOT

* PV VTI

PV CO Pulmonary valve cardiac output ml/min

(PV SV * HR(from RVOT)) / 1000

MV SV Mitral valve stroke volume µL 7.85 * MV Ann2 * MV VTI

MV CO Mitral valve cardiac output ml/mim (MV SV * HR(from MV Ann)) / 1000

TV SV Tricuspid valve stroke volume µL

7.85 * TV Ann

* TV VTI

TV CO Tricuspid valve cardiac output ml/mim (TV SV * HR(from TV Ann)) / 1000

AVA Aortic valve area

AV Mean V Aortic Valve mean velocity mm/s AoV VTI, Mean Velocity

AV Peak Press Aortic valve peak pressure mmHg

4 * (AV Peak V)

/ 1000

PVA Pulmonic valve area

AoV Flow protocol

Measurement definitions

Label Description Units Generic type Mode

LVOT Left ventricular outflow tract length mm Length B-Mode

LVOT VTI LVOT velocity time integral cm VTI PW Doppler

Mean Vel LVOT mean velocity mm/s VTI PW Doppler

Mean Grad LVOT mean pressure gradient mmHg VTI PW Doppler

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