Eckberg DL et al.: Circulation 47: 1252, 1973. On page 1253, the formula should read
[See Equation in PDF File]
where P = intracavitary pressure in g/cm2, r1 = internal left ventricular cavity radius, h = wall thickness at the minor left ventricular circumference, and L = long axis of the left ventricle.
- © 1973 American Heart Association, Inc.