Using a Stethoscope

This is a must in every equine first-aid kit! This article is great for just casual horse owners and horse therapists! 

"Your emergency kit likely includes a stethoscope--a highly valuable piece of equipment during any urgent health situation. Knowing your horse's normal heart rate and gut sounds beforehand will allow you to better assess the seriousness of the situation--so use your stethoscope now.

A resting pulse is typically between 32 and 40 beats per minute (ponies' tend to have slightly higher pulse rates). Place the stethoscope in front of the girth area, just behind the elbow. Using the sweep second hand on your watch or a stop watch (or a similar feature on a cell phone), count the number of beats for 30 seconds and double it to get beats per minute. Measure at various times of day, such as before and after eating or at any change in circumstances or activity level; this will give you a clear idea of how your horse generally responds to his environment. Marked deviation from normal (without obvious explanation such as exercise) can indicate infection, pain, or illness.

Your stethoscope is also useful for listening to gut sounds. It is normal and healthy for sounds to come from the digestive tract due to the movement of feed, gas, and fluid. Intestines are made of muscles; processing forage continuously provides the necessary exercise to keep these muscles in good condition. Normally, the sounds will be low in pitch with some growling. Some colic cases occur when there is a change within the intestines (often due to obstruction, gas, or torsion) and sounds change or stop altogether. If you don't hear any noise, or if the sounds have become higher pitched, significantly slowed, or sound hollow, colic is likely and you should contact your veterinarian immediately.

Practice listening to four specific areas of the gut: along the upper barrel and the lower flank area on both sides. Generally speaking, sounds from the upper left come from the small colon and tend to be high pitched and of short duration. The lower left has sounds from the large colon. On the upper right, the sounds come from the large colon and cecum whereas the lower right has the sounds from the large colon. While the point of origin for gut sounds is not completely predictable, the important thing is to identify a variation from your horse's normal sounds.

It's important to understand that deviations from normal in pulse or gut sounds have many possible explanations, so unless you have extensive experience never put yourself in the position of diagnosing colic or other disorders. But you can be a valuable resource to your veterinarian if you know what is normal for your horse and can identify these deviations from normal before illness happens."

Source: http://www.thehorse.com/viewarticle.aspx?ID=19880&source=rss&utm_sour...

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