The starting point here is ah, the level of sodium. So youe either taken too much saltin, or you reabsorbedn too much of it. K, and then you've got what a loss, excessive compared to the salt loss. Alont lite, vomiting, direa am aswet sweat, reenalmoni diye,. All right. Now we go to the hypo netrims yer, i'll be quick. The high ponetrim is just a bit easier. But the same thing happens. It's low sodium to low volume. Low so sodium to high volume. Low sodium to a normal volume. S we may say,