Should I take someone to the ER who has a very deep cut to the bottom of their left foot from a very sharp knife? He has been standing in the tub running cold water over the foot for over an hour. The bleeding has slowed up greatly but when he removes th

Yes, . Yes, you should take this person to the nearest emergency department. In cases of traumatic bleeding, the most important means of stopping bleeding is to hold firm pressure over the wound. Do not check if the bleeding has stopped for at least 15 minutes. You should also elevate the bleeding limb over the level of the heart, as gravity will help slow the bleeding as well. Lacerations that are deep or long most likely will require stitches, especially in an area like the foot that will see lots of "wear and tear.".