Doppler Sonography: A Brief History -- Physical Principles of Doppler Ultrasonography -- Spectral Doppler: Basic Principles and Instrumentation -- Spectral Doppler Sonography: Waveform Analysis and Hemodynamic Interpretation -- Venous Hemodynamics -- Sonographic Color Flow Mapping: Basic Principles -- Three-dimensional Color and Power Doppler Ultrasonography of the Fetal Cardiovascular System -…