Continuous wave and color Doppler images in tricuspid regurgitation (TR) along with a discussion on calculation of right ventricular systolic pressure from TR jet using Bernoulli's Equation.
Long systolic murmur with severe cyanosis in Tetralogy of Fallot can occur with absent pulmonary valve, restrictive VSD or AV canal defect (MR/TR murmur)
Venesection in cyanotic heart disease is done in symptomatic polycythemia with Hb > 20 gm% & hematocrit > 65 % and is replaced with equal amount of saline