It may have passed through the GI tract to quickly or it simply isn't digesting properly - hence the green pieces from something you ate. Yellow is more serious, it can mean a bile problem which could either be gallbladder related or liver/ pancreas related, the result from a intestinal bacteria infection or parasites, and people with GERD can get it. In other words, you need more testing - including thorough testing of a stool sample just in case.
It's not normal to have blood in your stool. If it was enough to make you go to the ER you shouldn't ignore it now just because it's not happening at the moment. You risk becoming sicker.
And sodium is very important. As an electrolyte if you have levels that are too high or too low it can affect heart rate and rhythm. It also helps your kidneys know to retain water, without proper sodium levels you risk losing too much fluids and flushing other electrolytes, minerals, and vitamins out.
It's not normal to have blood in your stool. If it was enough to make you go to the ER you shouldn't ignore it now just because it's not happening at the moment. You risk becoming sicker.
And sodium is very important. As an electrolyte if you have levels that are too high or too low it can affect heart rate and rhythm. It also helps your kidneys know to retain water, without proper sodium levels you risk losing too much fluids and flushing other electrolytes, minerals, and vitamins out.