Calculator About References

Calculator About References

MS: Mitral Valve Area (PHT)

Questions

1.Pressure Half-Time?

About

The time interval for the peak gradient to reach its midpoint (pressure half time) should not be used, in patients with high filling pressures, ASDs, significant AR or immediately after balloon valvuloplasty as it can underestimate the severity of MS.

References

Robert O Bonow, Blase A Carabello et al.

ACC/AHA 2006 guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (writing committee to revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease): developed in collaboration with the Society of Cardiovascular Anesthesiologists: endorsed by the Society for Cardiovascular Angiography and Interventions and the Society of Thoracic Surgeons.

Circulation 2006 August 1, 114 (5): e84-231

Oh J, Seward JB, Tajik AJ.

The Echo Manual 3rd edition. Lippincott, Williams, Wilkins. 2007

Kern MJ.

The Cardiac Catheterization Handbook 4th Edition. Mosby 2003

The MS: Mitral Valve Area (PHT) calculator is created by QxMD.

Default Units

1. Pressure Half-Time?

ms

0/1 completed

About

The time interval for the peak gradient to reach its midpoint (pressure half time) should not be used, in patients with high filling pressures, ASDs, significant AR or immediately after balloon valvuloplasty as it can underestimate the severity of MS.

References

Robert O Bonow, Blase A Carabello et al.

ACC/AHA 2006 guidelines for the management of patients with valvular heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (writing committee to revise the 1998 Guidelines for the Management of Patients With Valvular Heart Disease): developed in collaboration with the Society of Cardiovascular Anesthesiologists: endorsed by the Society for Cardiovascular Angiography and Interventions and the Society of Thoracic Surgeons.

Circulation 2006 August 1, 114 (5): e84-231

Oh J, Seward JB, Tajik AJ.

The Echo Manual 3rd edition. Lippincott, Williams, Wilkins. 2007

Kern MJ.

The Cardiac Catheterization Handbook 4th Edition. Mosby 2003

The MS: Mitral Valve Area (PHT) calculator is created by QxMD.

Legal Notices and Disclaimer

© 2020 QxMD Software Inc., all rights reserved. No part of this service may be reproduced in any way without express written consent of QxMD. This information should not be used for the diagnosis or treatment of any health problem or disease. This information is not intended to replace clinical judgment or guide individual patient care in any manner. Click here for full notice and disclaimer.