Questions tagged [ultrasounds]

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What tools (high and low tech) can be used to find a foreign body (eg a splinter)?

What are some tools that can be used to find a finding the exact location of a foreign body object inside someone? I'm interested in both: Low-tech tools that almost everyone in the world either [a] ...
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3 votes
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Distinguishing gallbladder polyps vs gallbladder cancer on ultrasound

"On ultrasound a gallbladder polyp is seen as an elevation of the gallbladder wall that protrudes into the lumen. (...) A clearly infiltrating or large mass should be treated as a gallbladder ...
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Would extended exposure to ultrasonic vibrations as used in eye and orbit ultrasound examination be harmful?

I am considering the viability of using ultrasonic vibrations interacting with the eyeball to detect eye gaze direction without interfering with the field of vision [for Virtual Reality headset]. ...
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Can lung imaging uniquely identify coronavirus-induced pheumonia?

How reliable are radiographic, CT and ultra-sound appearances of coronavirus in the lungs in terms of their sensitivity/specificity? A bunch of imaging labs popped up in my town recently, all of them ...
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Is ultrasound more subjective than X-ray?

There is some discussion on Ultra-sonic vs X-ray about ultrasound interpretation being more subjective than X-ray findings. Possible sources of ultrasound image quality variation might be the skill of ...
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Ultrasound vs X-ray [closed]

It might be that this is more a physical question but as the application is medical I firstly want to adress it here: What are the limits of ultra-sonics in regard to diagnosis respectively why are x-...
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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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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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Why is the Doppler angle setting supposed to be 60 degrees for arteries but 0 degrees for veins? [closed]

In ultrasonography, why isn't the Doppler angle correction supposed to be 60 degrees for veins just like it is for arteries?
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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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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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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 ...
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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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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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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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1 vote
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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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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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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 ...
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