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External bleeding is generally described in terms of the origin of the blood flow by vessel type. The basic categories of external bleeding are: Arterial bleeding: As the name suggests, blood flow originating in an artery. With this type of bleeding, the blood is typically bright red to yellowish in colour, due to the high degree of oxygenation.
Scalding is a form of thermal burn resulting from heated fluids such as boiling water or steam. Most scalds are considered first- or second-degree burns, but third-degree burns can result, especially with prolonged contact. The term is from the Latin word calidus, meaning hot. [1]
Burns that affect only the superficial skin layers are known as superficial or first-degree burns. [ 2 ] [ 11 ] They appear red without blisters, and pain typically lasts around three days. [ 2 ] [ 11 ] When the injury extends into some of the underlying skin layer, it is a partial-thickness or second-degree burn . [ 2 ]
As record temperatures linger across the U.S., some are experiencing serious medical effects such as second- or third-degree burns and heat-related illnesses.
Depending on the level of contamination, mustard agent burns can vary between first and second degree burns. They can also be as severe, disfiguring, and dangerous as third degree burns. Some 80% of sulfur mustard in contact with the skin evaporates, while 10% stays in the skin and 10% is absorbed and circulated in the blood. [3]
A New Hampshire woman visiting Yellowstone National Park was taken to a hospital after she slipped below the surface of the land in a thermal area near Old Faithful