Ultrasound examination looks at the internal structure of the body by recording the echoes or reflections of ultrasound waves. Here's what you need to know about canine ultrasound. Anesthesia is usually not required with a canine ultrasound machine, for example.
What Is an Ultrasound Examination?
Ultrasound, also known as sonography, is a non-invasive imaging technique that allows viewing of internal body structures by recording the echoes or reflections of ultrasound waves. Unlike potentially dangerous X-rays, ultrasound is considered safe.
Ultrasound machine directs a narrow beam of high-frequency sound waves to an area of interest. Sound waves can be transmitted, reflected or absorbed through the tissue they encounter. The reflected ultrasound will return to the probe as an “echo” and be converted into an image.
Ultrasound techniques are invaluable in examining internal organs and are useful in assessing cardiac conditions and identifying changes in abdominal organs, as well as in veterinary pregnancy diagnosis.
Disadvantages of Ultrasound Examination
“Ultrasonic waves don’t go through the air.”
Ultrasound is of little value for examining organs that contain air. Ultrasound does not pass through the air, so it cannot be used to examine normal lungs. Bones also block ultrasound, so the brain and spinal cord can’t be seen with ultrasound, and obviously bones can’t be examined.
Forms of Ultrasound
Ultrasound can take various forms depending on the images produced. Usually 2D ultrasound is the most common form of ultrasound examination.
M-mode (motion mode) displays the motion trajectory of the structure being scanned. A combination of M-mode and 2D ultrasound is used to examine the walls, chambers, and valves of the heart to assess heart function.
Does Canine Ultrasound Require Anesthesia?
The Canine ultrasound machine is a painless technique. Anesthesia is usually not required for most ultrasound tests unless a biopsy is to be performed. Most dogs will lie comfortably while being scanned. However, if the dog is very frightened or irritable, a sedative is needed.
Do I Need To Shave My Dog to Use the Canine Ultrasound Machine?
Yes, in most cases, the fur must be shaved for an ultrasound. Because ultrasound is not airborne, the hand-held canine ultrasound machine probe must be in full contact with the skin. In some cases, such as pregnancy diagnosis, adequate images can be obtained by wetting the hair with rubbing alcohol and applying a generous amount of water-soluble ultrasound gel. In other words, the area under examination will be shaved and the quality of the ultrasound image will be better.
When Will I Know the Results of Canine Ultrasound?
Since the ultrasound is performed in real time, you know the results immediately. Of course, in some special cases, the veterinarian may send the ultrasound image to another radiologist for further consultation.
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Post time: Feb-13-2023
