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How to distinguish deep second degree and shallow second degree of scald
Second degree burns can be divided into shallow second degree burns and deep second degree burns.

1. Generally, shallow second-degree burns will not leave scars, but there will be pigmentation. And deep second-degree burns will leave scars. Shallow second degree can be transformed into deep second degree and form scar in the case of infection.

2. Shallow second degree blisters are red at the base, and white or red and white are deep second degrees.

3. After superficial second-degree burns, the swelling is obvious, and blisters will appear, which is very painful. The pain of deep second-degree burns is not so obvious.

4. Shallow second-degree burns only damage the dermal papillary layer, and blisters of different sizes can be seen, containing yellow clear liquid, and the bottom of the blister base is rosy. Deep second-degree burns can also damage the dermis of the skin, and there may be blisters, but the bottom of the blisters is red and white.

5. Deep second-degree burn: deep second-degree injury of dermis with skin adhesion. After exfoliation, the wound surface is reddish or red and white, or reticular embolic blood vessels can be seen; There is little exudation on the surface, but the bottom is obviously swollen. Because there are some granulation tissues and scars in the middle of the repair process, the skin function is basically preserved.

6, shallow second degree: local redness is obvious, forming blisters of different sizes, containing yellow slurry liquid or protein coagulation peptone. After the blister burst, a flush wound with soft texture, high temperature and severe pain can be seen, and countless dilated and congested capillary networks can be seen.