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Dr. Rick
Dr. Rick, Board Certified MD
Category: Eye
Satisfied Customers: 10773
Experience:  Ophthalmology since 1994 with Retina sub-specialty interest
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what causes a weird, almost oscillating sound during arterial

This answer was rated:

what causes a weird, almost oscillating sound during arterial doppler? I had a study done of my legs but when the technician checked the arteries near my elbows (for comparison?) he was baffled by the weird sound. Thought he was maybe picking up sounds from nearby vessels but it wasn't, and the strange sound was the same in both arms. He said he guesses that must be normal for me. It was a sharp PEW sound but followed by a softer widgi-widgi-widgi sound. so it went "PEW-widgi-widgi-widgi...PEW-widgi-widgi-widgi" The sounds in my legs were more like..."PHEW-whoosh....PHEW-whoosh"

LOL...ok this question is kind of bizarre....but still..

Dr. Rick :

Hi. I'm online and happy to answer your question today.

Customer:

ok...give it your best shot :-)

Dr. Rick :

That is the sound of the blood flow. The louder sound is the arterial (high pressure) blood flow and the widgi widgi is the low pressure (vein) flow

Dr. Rick :

The Phew-whoosh is most likely turbulent flow and the PHEW PHEW is blood squeezing through a narrower area.

Dr. Rick :

Some doppler systems actually show the blood flow in color so you can actually "see" the blood flowing that makes the different sounds.

Customer:

He just seemed confused by the widgi widgi widgi..lol

Dr. Rick :

I guess that is why he is the doppler tech and not the doctor :)

Dr. Rick :

you do the sounds well, by the way ;)

Dr. Rick :

Does this make sense to you?

Customer:

haha...too true! so what's the difference between bi-phasic and tri-phasic waves?

Dr. Rick :

It is just a way of describing the wave forms.....different patterns, nothing to worry about.

Customer:

thanks for answering my weird questions! and the sound descriptions were the only way to describe :-)

Dr. Rick :

You described it perfect -- made sense to me :o)

Dr. Rick :

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Dr. Rick :

Have a good evening..

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