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Continuous wave (CW) Doppler recording of the regurgitant jet in example of pulmonic regurgitation (PR). PS SAX view. Point 1 denotes the maximal PR velocity at the beginning of diastole. PR early Vmax = 3,05 m/s. Point 2 marks the PR velocity at end-diastole. PR end Vmax = 2,29 m/s.