What are the characteristics of a Pulmonary Artery (PA) Waveform?

there is a dicrotic notch

the PA systolic pressure equals the RV systolic pressure (during systole, the open pulmonary valve makes the two chambers "one")

the PA diastolic pressure is higher than the RV diastolic pressure (since both RV and PA systolic pressures are equal, the lower RV diastolic pressure makes the RV waveform taller than that of the PA)

the rise in the PA pressure occurs after systole begins, as a result of blood entering the pulmonary artery (thus the rise in the PA waveform is always later in the cycle than the rise in the RV, in relation to the QRS)

there is no visible evidence of atrial contraction on the PA waveform

Show me a Pulmonary Artery Waveform.