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May 10, 2024 · Dog hearing tests are conducted to determine the extent of a dog’s hearing ability. There are a few different methods that can be used to test a dog’s hearing, including the Brainstem Auditory Evoked Response (BAER) test, the Electroretinogram (ERG) test, and the Otoacoustic Emissions (OAE) test.
The next step in a hearing test might be the BAER test. The Kennel Club explains that “the BAER test evaluates the hearing of a dog by detecting the electrical activity of the brain in response to an auditory stimulus (usually clicks), which is recorded and displayed on a computer screen. The test is a reliable method for determining whether ...
- What Is An Ultrasound?
- Does The Technique Have Any Drawbacks?
- Are There Different Forms of Ultrasound?
- Will My Dog Have to Have An anesthetic?
- Is It Necessary to Shave My Dog's Fur?
- When Will I Know The Results of The Examination?
- Is The Technique Affordable?
An ultrasound examination, also known as ultrasonography, is a non-invasive imaging technique that allows internal body structures to be seen by recording echoes or reflections of ultrasonic waves. Ultrasound is a non-invasive imaging technique that is considered safe and does not involve radiation. Ultrasound equipment directs a narrow beam of hig...
Ultrasound examinations are of little value in examining organs that contain air. Ultrasound waves will not pass through air and therefore it cannot be used to examine normal lungs. Bone also stops ultrasound waves, so the brain and spinal cord are unable to be seen with an ultrasound study, and obviously, bones cannot be examined.
Depending on the images produced, ultrasound can take various forms. In veterinary medicine B-mode (brightness-mode) ultrasound, more commonly called 2-dimensional ultrasound is the most common form. This gives a two dimensional picture of the organ scanned. This is the type of ultrasound that is used to examine abdominal structures, perform pregna...
Anesthesia is not usually needed for most ultrasound examinations unless biopsies are to be taken. The technique is totally painless, and most dogs will lie comfortably while the scan is being performed. Occasionally, if the dog is very frightened or restless, a sedative may be necessary. If biopsies are to be taken, a short-acting anesthetic or a ...
In most cases, the fur must be shaved to perform an ultrasound examination. Since ultrasound waves are not transmitted through air, it is imperative that the hand-held probe makes complete contact with the skin. In some cases, such as pregnancy diagnosis, it may be possible to get adequate images by moistening the hair with rubbing alcohol and appl...
Since an ultrasound study is performed in real time, the results of what is seen are known immediately. In some cases, the ultrasound images may be sent to a veterinary radiologist for further consultation. When this occurs, the final report may not be available for a few days.
Although the initial cost of a scan may seem high, it has to be equated with the high cost of the equipment, the fact that specialized training is required in order to interpret the images, and a significant amount of time is involved in carrying out the examination. Its usefulness for pregnancy diagnosis, evaluation of the internal organs, assessm...
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Mar 23, 2021 · Performing a noise test with your dog is quick and easy. A dog’s hearing is especially important and incredibly sensitive – they can hear sounds that are far too high pitched for humans to hear (up to 45,000 Hz) and far too quiet for humans to hear (from -5 dB to -15 dB).
Jan 15, 2016 · The cochlea converts sound waves into electrical impulses via the movement of fine hairs in a special gel. It is these electrical impulses that stimulate the auditory (hearing) nerve to the brain, where they are decoded as sounds. Exposure to loud noise causes permanent damage to these fine hairs (cilia). Over a dog’s lifetime, when enough ...
In this test, a nerve is stimulated electrically, and the speed of conduction along the neurons is calculated. This technique can detect nerve injury and myasthenia gravis. A brain stem auditory evoked response (BAER) records electrical activity in the pathway from the sound receptors in the ear to the brain stem and cerebrum.
Dec 22, 2021 · FIGURE (5) The key points of auscultation in dogs on both sides of the chest: (1) left apex; (2) left base; (3) right apex. The right base is also worth auscultating, but is less important in terms of formulating differential diagnoses. Next, place the stethoscope diaphragm over the region of the apical impulse ( Figure 5 ).
