Explanation: The example of reflection is wave bouncing off the sides of a pool. The simple meaning of reflection is it occur when the wave is hit by an obstacle and bounces back into the same medium with same speed. It is property common to all the wave.

Reflection in ultrasound refers to the return of the sound wave energy back to the transducer. This principle is what allows the image to be generated by the ultrasound machine. Generally, more reflection results in a more hyperechoic (brighter) image.

The greater the acoustic impedance between the two tissue surfaces, the greater the reflection and the brighter the echo will appear on ultrasound. Refraction is governed by Snell’s Law and describes reflection where sound strikes the boundary of two tissues at an oblique angle.

This is due to the fact that ultrasound can be transmitted through soft tissue, but is mostly reflected when it comes into contact with more dense material such as bone. Any ultrasound that is not reflected will be absorbed by the body. Doctors also use ultrasound to monitor blood flow and destroy kidney stones.

Intensity results from two factors: the amplitude of the sound waves and how far they have traveled from the source of the sound.

Generally, the tissues with the higher protein content will absorb ultrasound to a greater extent, thus tissues with high water content and low protein content absorb little of the ultrasound energy (e.g. blood and fat), while those with a lower water content and a higher protein content will absorb ultrasound far more …

High-frequency ultrasound waves (short wavelength) generate images of high axial resolution. Increasing the number of waves of compression and rarefaction for a given distance can more accurately discriminate between two separate structures along the axial plane of wave propagation.

Are there any risks or side effects? There are no known risks from the sound waves used in an ultrasound scan. Unlike some other scans, such as CT scans, ultrasound scans don’t involve exposure to radiation.

Ultrasound energy, simply known as ultrasound, is a type of mechanical energy called sound characterized by vibrating or moving particles within a medium.

Ultrasound is a useful way of examining many of the body’s internal organs, including but not limited to the:

• heart and blood vessels, including the abdominal aorta and its major branches.
• liver.
• gallbladder.
• spleen.
• pancreas.
• kidneys.
• bladder.
• uterus, ovaries, and unborn child (fetus) in pregnant patients.

Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.

Why it’s done Ultrasound is used for many reasons, including to: View the uterus and ovaries during pregnancy and monitor the developing baby’s health. Diagnose gallbladder disease. Evaluate blood flow.

Average Pricing, Select Ultrasound Procedures

While ultrasound is generally considered to be safe with very low risks, the risks may increase with unnecessary prolonged exposure to ultrasound energy, or when untrained users operate the device.

Here are some of the main differences between the two: A CT Scan will usually cost more than an ultrasound procedure, and the time it takes to complete a CT Scan will be shorter, about 5 minutes. A routine ultrasound can be completed in about 15 minutes. With a CT Scan there is some slight radiation exposure.

CT misses fewer cases than ultrasound, but both ultrasound and CT can reliably detect common diagnoses causing acute abdominal pain. Ultrasound sensitivity was largely not influenced by patient characteristics and reader experience.

CT scan is no more accurate than ultrasound to detect kidney stones, study finds. Summary: To diagnose painful kidney stones in hospital emergency rooms, CT scans are no better than less-often-used ultrasound exams, according to a clinical study conducted at 15 medical centers.

A CT scan will identify inflamed diverticula, bowel wall inflammation, pericolic fat stranding, and corresponding complications [9,10,11,83,87,88]. CT is capable of visualizing pericolonic and colonic complications which results in a more accurate diagnosis for the patient, along with better standard of care.

Where MRI really excels is showing certain diseases that a CT scan cannot detect. Some cancers, such as prostate cancer, uterine cancer, and certain liver cancers, are pretty much invisible or very hard to detect on a CT scan.

A CT scan can help doctors look for any changes inside the body of individuals who have a serious health condition such as heart disease or certain types of cancer. A CT scan can also help doctors look for any changes inside the body. This can be useful for individuals with emphysema or liver masses.