Which morphology characterizes a normal Doppler waveform for a peripheral artery?

The characteristic morphology of a normal Doppler waveform for a peripheral artery includes a sharp upslope, a defined downslope, and a prominent reverse flow component. This waveform reflects the physiological pulsatility of blood flow in the arteries, especially those supplying the limbs.

In a normal Doppler waveform, the sharp upslope represents the rapid ejection of blood from the heart during systole, followed by a gradual downturn as the blood flow decelerates. The presence of a prominent reverse flow component during early diastole indicates that the wave has reflective properties, typically seen in healthy arterial systems where diastolic flow reversal is a result of both arterial compliance and peripheral resistance.

This distinct waveform morphology signifies that the artery is functioning appropriately, with normal arterial pressure and flow dynamics. Understanding these patterns is crucial for accurately assessing vascular health and identifying potential issues in vascular function.