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Thier are two subjects I will cover on moudle 13 (the final moudle). They areburns and hypothermia/frostbite.Hypothermia happens when a persons body temperature drops below 95.F (35.C).Normal body temperature is around 98.6.F (37.C). Hypothermia occurs whenmore heat escapes from the body than the body can produce. Signs andsymptoms of hypothermia include shivering (the body is attempting to generateheat), cold and pale skin, lack of coordination, disorientation and decreased heartrate, respiration rate, and blood pressure that can lead to loss of consciousnessor can lead to death. Dx is based on body temperature. Risk factors forhypothermia include age (young or old), living in a cold climate, and alcoholuse. It is important to wear a hat: 30% to 50% of body heat is lost throughthe head. Alcohol should be avoided because it causes the blood vesselsin the skin to dilate, reducing circulation. Frostbite is damaged to the skincaused by freezing due to prolonged exposure to cold conditions. Freezingcauses formation of ice crystals withen cells, rupuring and destroying thecells.One time I was in Thailand and read in the Bangkok Post that a homelessperson died of hypothermia in Bangkok. At that time the temperature was75.F to 70.F which is a cold spell for Thailand. The average temperature inThailand is 95.F to 100.F. I wonder if that is psychological or not.A burn is damaged to the body's tissue caused by heat, chemicals electricity,sunlight, or radiation. Themal burns are the most common. When tissues areburned, fluid leaks into the tissue from the blood vessels, causing edema andpain. First-degree burns or supeficial burns affect the epidermis. Theepidermis is red, swollen, and painful. Second-degree burns or partial thickness,burns affect the epidermis and the dermis. The epidermis is extremely redand blistered, and the area is very painful. Third-degree, or full thickness,burns affect the epidermis, dermis, and subcutaneous tissue. The skin mayappear white or black with a leathery appearance. The nerve ending aredestroyed, so the burned area will not be painful. To determine the severityof a burn, doctors estimate what percentage of the body's surface has beenburned. For adults, doctors use the rule of nines. This method divides almostall of the body into sections of 9% or 18%. For children, doctors use chartsthat adjust these percentages according to the child's age (Lund-Browdercharts). Adjustment is needed because different areas of the body grow atdifferent rates.This last summer I was a dishwasher in a restaurant and some real hotwater got me a little above the elbows. It was a red mark with a littleblister in the center and as of today I can hardly see the scare were theblister was. When I got the burn I was not in extreme pain I just kept onworking. But I think it might be classified as a second-degree burn.
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(VISITOR) AUTHOR'S NAME
Vickky
MESSAGE TIMESTAMP
16 december 2014, 11:41:11
AUTHOR'S IP LOGGED
164.109.48.31
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