D. Patel

Can signal intensity of the continuous wave Doppler regurgitant jet estimate severity of mitral regurgitation?

T. Utsunomiya, D. Patel, R. Doshi, 1992, American heart journal.

Doppler color flow mapping of the proximal isovelocity surface area: a new method for measuring volume flow rate across a narrowed orifice.

D. Patel, R. Doshi, M. Quan, 1991, Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography.

Effect of flow rate, orifice size and aliasing velocity on volume calculation using Doppler color proximal isovelocity surface area method

D. Patel, R. Doshi, M. Quan, 1990 .

Accuracy of flow rate calculation in funnel orifices by color Doppler zero-shift “proximal isovelocity surface area” method

D. Patel, R. Doshi, J. Gardin, 1991 .

Calculation of orifice area using color doppler proximal isovelocity surface area method

D. Patel, R. Doshi, M. Quan, 1990 .

Calculation of volume flow rate by the proximal isovelocity surface area method: simplified approach using color Doppler zero baseline shift.

D. Patel, R. Doshi, J. Gardin, 1993, Journal of the American College of Cardiology.

Regurgitant Volume Estimation in Patients with Mitral Regurgitation: Initial Studies Using the Color Doppler “Proximal Isovelocity Surface Area” Method

D. Patel, R. Doshi, J. Gardin, 1992, Echocardiography.

Doppler color flow "proximal isovelocity surface area" method for estimating volume flow rate: effects of orifice shape and machine factors.

D Patel, R Doshi, D. Patel, 1991, Journal of the American College of Cardiology.