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Pulmonary
Artery Waveform
The beginning of diastole can be identified by the dicrotic notch (in blue). The pulmonary artery waveform has the same morphology (shape) as other arterial waveforms, but is subject to considerable movement artifact as a result of breathing and ejection of blood from the right ventricle. Note that the rise in the
pressure begins well after the QRS.
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