6 votes

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

Sounds like science fiction and not much use for treating patients. They talk about shining laser light on the virus to induce the resonant frequency to shatter the virus. But, Covid-19 is a deep ...
Graham Chiu's user avatar
  • 13.3k
6 votes

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

Your thought process is correct; in the absence of all other factors, physics dictates that the reduction of pressure surrounding a flexible fluid-filled vessel would result in expansion. But there ...
DoctorWhom's user avatar
  • 5,804
5 votes
Accepted

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

UpToDate has a couple (1) (2) pretty good articles discussing current research and recs on the use of endoscopic ultrasound (EUS). As it is behind a paywall (which some hospitals pay for, so you ...
DoctorWhom's user avatar
  • 5,804
5 votes
Accepted

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

There are two major issues with eating. Swallowing and digesting food allows air to get into the digestive tract. Air is a barrier to the ultrasound waves so renders tissues distal to the air ...
Graham Chiu's user avatar
  • 13.3k
5 votes
Accepted

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

Your question contains several parts. How is the process of the transvaginal ultrasound different than just a regular ultrasound? I imagine it's inserted into the vagina? Is it quite painful? ...
M. Arrowsmith's user avatar
3 votes
Accepted

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

In the US, medical device sales are regulated by the FDA much like drugs. Like drugs, some items are permitted for over-the-counter (OTC) sale to the public (for example, bandages and thermometers). ...
Bryan Krause's user avatar
  • 13.9k
3 votes
Accepted

Distinguishing gallbladder polyps vs gallbladder cancer on ultrasound

Gallbladder cancers can only definitely be diagnosed or ruled-out with a biopsy. However, as biopsies are an invasive procedure, you can‘t just biopsize everyone routinely to check for gallbladder (...
Narusan's user avatar
  • 6,772
3 votes
Accepted

Can lung imaging uniquely identify coronavirus-induced pheumonia?

It has been recognized since the earliest months of the pandemic that SARS-Cov-2 infection is associated with otherwise uncommon lung CT findings including ground-glass opacities (GGO), GGO plus a ...
Ian Campbell's user avatar
  • 3,244
3 votes

Is ultrasound more subjective than X-ray?

There are some evidences to prove that ultrasound is subjective, as there are chances of it giving false positive results as the interpretation may vary from one evaluator to the other. the ...
Ojasvi's user avatar
  • 1,035
3 votes
Accepted

How to request copies of CT-Scans, MRI, X-rays & ultrasound/endoscopic imagery from Dr.'s/Surgeons for personal records? Possible?

Regarding United States, quote from "Copy Fees and Patients’ Rights to Obtain a Copy of Their Medical Records: From Law to Reality" (2005): Patients have a legal right under HIPAA to a copy of ...
Grzegorz Adam Kowalski's user avatar
2 votes
Accepted

Non-ionizing sound waves

You're right: their description contains redundancy. I think the reason for the extra clarification may be to make sure readers understand that the method does not involve X-rays (which are ionising, ...
Anko's user avatar
  • 589
2 votes

Can ultrasound gel be used as an internal lube?

It is not recommended to reuse opened gel bottles for internal use due to the risks of infection. Ultrasound gels for internal use should be sterile unopened gel packets. And there was a series of ...
Graham Chiu's user avatar
  • 13.3k
2 votes
Accepted

Ultra Sound Gender Prediction Accuray

Fetal gender determination is suprisingly accurate, according to this study: Accuracy of sonographic fetal gender determination: predictions made by sonographers during routine obstetric ultrasound ...
Chris's user avatar
  • 3,304
1 vote

Non-ionizing sound waves

Precisely to emphasize the safety of ultrasound and to point out that you or your fetus will not be subjected to any sort of radiation as it may be the case in some of the other popular imaging ...
John Doe's user avatar

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