Which parameter increases with arterial inflow after injection?

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Multiple Choice

Which parameter increases with arterial inflow after injection?

Explanation:
An arterial inflow augmentation raises Doppler velocities. When a bolus is injected, more blood enters the artery, and if the vessel diameter isn’t changing much, the flow rate increase translates directly into higher velocity (since velocity is flow divided by cross-sectional area). This means the peak systolic velocity climbs, and the forward flow during diastole also remains higher, raising the end-diastolic velocity. So both the systolic and diastolic velocity measurements increase with increased arterial inflow.

An arterial inflow augmentation raises Doppler velocities. When a bolus is injected, more blood enters the artery, and if the vessel diameter isn’t changing much, the flow rate increase translates directly into higher velocity (since velocity is flow divided by cross-sectional area). This means the peak systolic velocity climbs, and the forward flow during diastole also remains higher, raising the end-diastolic velocity. So both the systolic and diastolic velocity measurements increase with increased arterial inflow.

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