First aid mastery depends on knowing CPR techniques, recognizing heat stroke symptoms, and implementing structured rehabilitation for fractures and sprains.
Treatment of swelling in the hands and wrist depends in part on the underlying cause of the symptoms. An injury that causes swelling and deformity needs medical attention, as does redness, swelling, pus or streaking around a cut or wound, according to FamilyDoctor.org.
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Paronychia, a bacterial, fungal or yeast infection of the skin around the fingernail or toenail, occurs when the area is damaged by a manicure, biting the nails or trimming a hangnail. High-risk individuals include diabetics and people whose hands are wet all day.
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