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We are now going to look at the types of bleeding. Now, different bleeds are more serious than others, so there are three main types of external bleeding. The first one is an arterial bleed. And this is the most serious, in a sense, because the arteries come straight from the heart, so the blood that comes out the wound is pulsing and is bright red. It is pulsing because it literally comes straight from the heart, so it is still under pressure with every beat of the heart and it is bright red because it is also very full of oxygen, because it just comes from the heart and the lungs. So arterial bleeding is bright red and pulsing.

Venous bleeding is a much darker red and a continual flow. This is a venous return back to the heart. Again, this can be very life-threatening bleeding because, although it is not pulsing, it will come out as a constant flow, because the heart is pushing it through and it is still coming through and not returning to the heart.

The other type of bleeding is a capillary bleed. Now, these are the smaller type cuts. This is the minor things that can happen, maybe a little scratch on your dog or something like that or a graze. These cuts usually heal themselves and they are quite easily too to sort out.

Now, as far as the types of cut that you are likely to come across, there are different types of that. It could be things like a puncture wound, they could be grazes, they could be cuts. You need to look at the severity of them. As far as which blood vessels have been damaged, this will depend on the location of the cut. So, maybe in the leg, for example, it is a very bad place there. You got a femoral artery running down there, so if they have hurt themselves and cut there and broken that, they can bleed very, very quickly. So, we need to look at that, classify it as a very life-threatening bleed. Whereas they stumble across and just make a little cut in their pat and it bleeds a little bit, then this is more capillary bleeding. Not so important, but definitely something you need to treat.