Questions tagged [ultrasounds]

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Can Ultrasound be a possible solution to treat COVID-19 virus?

An article from 2008: New way to kill virus: Shake them to death. Can ultrasound have the potential to treat COVID-19 infected humans at large-scale (because it does not require anesthesia)? I went ...
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Where is a CT scan better than an MRI, where is an MRI better than a CT scan, and where is an ultrasound better than the first two? [closed]

I've always assumed that a CT scan is better at "hard" objects, while an MRI is better at "soft" objects, but then I heard that CT scans (even without contrast) can be used to ...
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1answer
42 views

What kind of personal body scanning equipment can you legally buy? [closed]

I would like a personal body scanner. What kind of things can I buy that's legal and safe? Is a ultrasound safe and what kind of things can it see? I think an MRI scanner would be a bit too ...
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0answers
42 views

Ultrasound: Why is the doppler angle setting supposed to be 60 degrees for arteries but 0 degrees for veins?

Why isn't the doppler angle correction supposed to be 60 degrees for veins just like it is for arteries?
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1answer
128 views

How often is endoscopic ultrasound done to check for gallbladder disease?

Transabdominal ultrasound is usually the first investigation to check for gallbladder disease. When the results are not clear, the next test is often a HIDA scan and, if necessary, a MRCP or ERCP, ...
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1answer
136 views

Ultrasound sniff test: why does lowering intrathoracic pressure collapse the subclavian vein?

Because the subclavian is guarded by the clavicle, you can't compress it with the transducer, and to see the vessel walls come together it is common practice to tell the patient to "sniff" or inhale ...
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1answer
7k views

Can ultrasound gel be used as an internal lube?

I've come across mentions of ultrasound gel being essentially the same as lubricating gel, and I'm wondering if they can really be used interchangeably. I'm assuming this would be true for anything ...
3
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1answer
43 views

Why is one only allowed to drink water from four hours in advance of an echo (ultrasonography)?

The patient is told that he/she should not eat or drink anything for 4 hours in advance of having an echo (except from drinking pure water). From what I understand, an echo works with ultrasonic ...
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2answers
148 views

Non-ionizing sound waves

The Mayo Clinic website specifies that "Diagnostic medical sonographers and vascular technologists use nonionizing, high-frequency sound waves (ultrasound) to diagnose, treat and prevent medical ...
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1answer
3k views

Would a regular ultrasound be able to differnciate a benign ovarian cyst from an ovarian tumor? Or is a Transvaginal ultrasound needed?

Would a regular ultrasound ordered by an OBGYN be able to detect/differentiate typical benign ovarian cysts from an ovarian tumor? Or is a transvaginal ultrasound needed in that case? Are there ...
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1answer
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How to request copies of CT-Scans, MRI, X-rays & ultrasound/endoscopic imagery from Dr.'s/Surgeons for personal records? Possible?

Because of the many congenital-bone-fusions (due to Klippel-Feil-Syndrome) throughout my life, doctors have performed many, many medical-imaging tests (CT-Scans, MRIs, X-Rays, Ultrasounds, Endoscopies,...
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1answer
35 views

Ultra Sound Gender Prediction Accuray

Sorry for a very basic Question (as I am a software engineer) but I am confused after getting material from internet about accuracy of Ultra Sound Gender prediction Question: How much this is likely ...
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1answer
5k views

Can I hear ultrasounds?

I have noticed that every time I am in the same room as an operating ultrasound machine, I can hear it. And not the machine making noises, but the actual ultrasounds (I know because it decreases in ...