About Hypothermia (Low Body Temperature)
The reasons hypothermia cause illness include:
- Prolonged exposures to very cold temperatures cause heat to be lost faster than it can be produced.
- Loss of heat causes depletion of the body's stored energy, and the body can no longer maintain its normal temperature.
- As body temperature lowers, all organ systems, including the brain, are affected.
Risk factors of hypothermia include:
- Age: The elderly and children have a lower ability to compensate for the cold. Children also lose heat faster than adults.
- Environmental exposure: Being outside in cold weather or in a very cold house increases the risk.
- Inadequate clothing: Not wearing appropriate warm clothing in cold conditions can contribute to hypothermia.
- Alcohol or drug use: These substances can impair judgment and interfere with the body's ability to regulate temperature.
Taking preventive measures, such as staying warm and avoiding prolonged exposure to cold, is crucial.
Common early symptoms of hypothermia include:
- Shivering
- Feeling nervous, anxious, or irritable
- Hunger
- Sudden sweating or chills
- Confusion
- Lightheadedness or feeling dizzy
- Drop in energy levels
- Rapid heartbeat
- Blurred or impaired vision
As hypothermia progresses to later stages or higher severity, additional symptoms may occur, such as:
- Pale skin
- Unclear speech
- Fast heart rate
- Poor coordination or clumsiness
- Low energy or sleepiness
- Memory loss or confusion
- Loss of consciousness
- Bright red skin that's cold to the touch (in babies)
It's important to note that hypothermia is a serious condition and requires immediate medical attention. If you suspect someone has hypothermia, call 911 for emergency help right away. While waiting for medical assistance, move the person to a warm, dry place and remove any wet clothing. Remember, these symptoms should be evaluated by a healthcare provider for an accurate diagnosis and appropriate treatment.
To diagnose hypothermia and determine its stage or severity, healthcare providers may perform the following examinations, tests, and procedures:
- Physical Exam: During a physical exam, healthcare providers will look for signs of hypothermia, such as shivering, impaired mental state, and frostbite. They may also check vital signs like heart rate, breathing rate, and blood pressure.
- Blood Tests: Blood tests can measure blood sugar levels, electrolyte levels (such as sodium and potassium), and substances to check kidney and liver function.
- Electrocardiogram (ECG): An ECG is a test that evaluates heart function by recording its electrical activity. It can help assess any cardiac complications associated with hypothermia.
It's important to note that the specific examinations, tests, and procedures may vary depending on individual circumstances. Consulting with a healthcare provider is essential for accurate diagnosis and determining the stage or severity of hypothermia.
The goals of treatment for hypothermia are to raise the body temperature and prevent further heat loss. Here are the recommended treatments and how they work to achieve these goals:
First aid measures:
- Move the person to a warm, dry place and remove any wet clothing.
- Cover the person with dry layers of towels, clothing, or blankets.
- Make skin-to-skin contact with another individual.
- Offer a warm beverage (excluding alcohol) if the person is conscious.
- Avoid moving or jostling the person to prevent heart rhythm abnormalities.
Passive external rewarming:
- This involves removing wet clothing and covering the person with layers of insulation.
- It helps to reduce heat loss and increase body temperature gradually.
Clinical treatment:
- In severe cases, medical professionals may perform active external rewarming using heated blankets, warm water immersion, or forced warm air.
- In some cases, internal rewarming techniques such as warmed intravenous fluids or heated humidified oxygen may be used.
Remember, always consult with a healthcare provider for personalized advice.