Figure 8
From: The use of ultrasound to identify milk ejection in women – tips and pitfalls
Colour flow Doppler imaging of milk flow within multiple ducts at milk ejection. Colour Doppler detected the movement of milk within the milk duct at milk ejection. Using pulsed wave Doppler the velocity of milk flow can be measured. Measurement of milk flow within a milk duct is difficult due to Doppler angle, the transient nature of milk ejection and low velocity milk flow.