FujiFilm SonoSite Edge II User Manual page 139

D1 = Orthogonal minor axis
Right Atrial Volume Index
Wang, Y., J. Gutman, et al. "Atrial volume in a normal adult population by two-dimensional
echocardiography." Chest. (1984), 86: p.595-601.
RA Vol Index = RA Vol/BSA (ml/L2)
Right Ventricular Systolic Pressure (RVSP) in mmHg
Oh, J.K., J.B. Seward, A.J. Tajik. The Echo Manual. 3rd ed., Philadelphia: Lippincott, Williams, and Wilkins,
(2007), p.66.
RVSP = 4 * (VMax TR)
where:
RAP = Right Atrial Pressure
S/D
Reynolds, Terry. The Echocardiographer's Pocket Reference. 2nd ed., School of Cardiac Ultrasound,
Arizona Heart Institute, (2000), p.217.
S velocity/D velocity
where:
S velocity = Pulmonary vein S wave
D velocity= Pulmonary vein D wave
Stroke Index (SI) in cc/m
Mosby's Medical, Nursing, & Allied Health Dictionary, 4th ed., (1994), p.1492.
SI = SV/BSA
where:
SV = Stroke Volume
BSA = Body Surface Area
Stroke Volume (SV) Doppler in ml
Oh, J.K., J.B. Seward, A.J. Tajik. The Echo Manual. 3rd ed., Philadelphia: Lippincott, Williams, and Wilkins,
(2007), p.69-71.
SV = (CSA * VTI)
where:
CSA = Cross Sectional Area of the orifice (LVOT area)
VTI = Velocity Time Integral of the orifice (LVOT VTI)
Measurement references
2
+ RAP
2
6-13