BlogHypothermia: Know the Symptoms and First Aid Treatment

Hypothermia: Know the Symptoms and First Aid Treatment

Author:
CPR Select
Last updated:
3/23/2024

Hypothermia is a dangerous medical emergency involving low body heat temperature. It occurs when the body loses heat faster than it can produce it, causing a dangerously low body temperature. In this article, we will discuss what hypothermia is, the different stages and their symptoms, and the first aid treatment for hypothermia. We will also provide tips on how you can prevent hypothermia.

Hypothermia can be differentiated into three stages. The symptoms and signs of Hypothermia can be approximately grouped with the temperature ranges of the different stages:

  1. Mild Hypothermia: The body's core temperature is between 90-95°F (32-35°C).
  2. Moderate Hypothermia: In this stage, the core body temperature drops further, typically ranging from 82-90°F (28-32°C).
  3. Severe Hypothermia: Severe hypothermia is characterized by a core temperature below 82°F (28°C), and it poses a significant risk to health and life.

 

Mild Hypothermia

In the early stage of hypothermia, the body's core temperature has dropped slightly, ranging from 90-95°F (32-35°C). At this point, the body is still attempting to maintain its normal temperature, and the person affected by mild hypothermia is generally alert and conscious.

Mild hypothermia can progress to more severe stages if left untreated. It's essential to recognize these early symptoms and take appropriate measures to warm the person and prevent further cooling.

 

Signs and Symptoms of Mild Hypothermia:

  • Shivering
  • Numbness or tingling in extremities (fingers, toes).
  • Cold and pale skin.
  • Slurred speech.
  • Mild confusion or difficulty with coordination.
  • Fatigue or drowsiness.

 

Moderate Hypothermia

In this stage, the body's core temperature has dropped further, typically ranging from 82-90°F (28-32°C). Moderate hypothermia is a more critical condition than mild hypothermia, and the person affected may experience increased symptoms and reduced bodily functions.

Moderate hypothermia demands immediate attention and intervention. The person's condition can deteriorate rapidly, and it's crucial to provide warming measures and seek professional medical assistance to prevent further complications.

 

Signs and Symptoms of Moderate Hypothermia:

  • Intense shivering
  • Increased clumsiness and lack of coordination.
  • Difficulty speaking clearly.
  • Sluggish thinking and poor decision-making.
  • Muscle stiffness and cramping.
  • Skin may turn bluish or puffy due to blood vessels constricting.

 

Severe Hypothermia

Severe hypothermia is a life-threatening condition where the body's core temperature drops below 82°F (28°C). At this stage, the body's vital functions are significantly impaired, and the person's life is in imminent danger.

Severe hypothermia requires immediate and aggressive intervention. This is a medical emergency, and delaying treatment can result in cardiac arrest, respiratory failure, and death. If you suspect someone is experiencing severe hypothermia, call 911 (or your local emergency number) immediately and provide first aid to warm the person while waiting for professional assistance. Rewarming measures should be administered by medical personnel.

 

Signs and Symptoms of Severe Hypothermia:

  • Shivering may stop, which is a critical sign.
  • Profound confusion or disorientation.
  • Memory loss.
  • Drowsiness and exhaustion.
  • Very slow or irregular heart rate.
  • Shallow or irregular breathing.
  • Loss of consciousness or coma.
  • Dilated pupils (large pupils).
  • Muscles become rigid and immobile.

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First Aid Treatment for Hypothermia

First aid treatment for hypothermia is crucial to prevent it from becoming a life-threatening condition. Here's how to provide first aid for someone suspected of having hypothermia:

  1. Call for Help: If you encounter someone with severe hypothermia or if the person is unconscious, call 911 (or your local emergency number) immediately.
  2. Move to a Warmer Place: If possible, get the person out of the cold and into a warm environment. If you can't move them, try to shield them from the wind and cold.
  3. Remove Wet Clothing: Wet clothing can contribute to heat loss. Carefully remove any wet clothing and replace it with dry, warm layers if available.
  4. Wrap in Warm Blankets: Wrap the person in warm blankets or coats. Use anything insulating, like a sleeping bag or extra clothing, to help trap heat.
  5. Warm the Core First: Focus on warming the person's chest and abdomen as a priority. Apply warm, dry compresses or heated water bottles to these areas.
  6. Insulate the Head and Neck: The head and neck are areas where heat loss can occur rapidly. Cover the person's head with a hat or dry cloth to help retain heat.
  7. Keep the Person Horizontal: If the person is conscious, keep them in a horizontal position to reduce the risk of shock. Elevate their legs slightly if possible.
  8. Offer Warm, Non-Alcoholic, Non-Caffeinated Fluids: If the person is alert and able to swallow, provide them with warm, non-alcoholic, and non-caffeinated beverages. This can help raise their internal body temperature.
  9. Do Not Rub Extremities: Avoid vigorously rubbing the person's extremities, as this can cause further damage to cold tissues.
  10. Monitor Vital Signs: Continuously monitor the person's breathing and pulse. If necessary, perform CPR if they become unresponsive and don't have a pulse.

 

1. Call for Help

Hypothermia is a serious medical condition, and it's essential to get professional assistance quickly. If you encounter someone who appears to be severely affected by hypothermia, or if they are unconscious due to prolonged exposure to cold temperatures, immediately call 911 or your local emergency number. Professional medical intervention is crucial in these cases because hypothermia can lead to life-threatening complications, and experts can provide the necessary care and evaluation.

 

2. Move to a Warmer Place

Getting the affected person out of the cold environment is the next step in treating hypothermia. Transport them to a warm and sheltered location as swiftly as possible. This could be a heated building, a car with heating, or any place that offers protection from the cold and wind. Reducing exposure to the cold environment is vital in preventing further heat loss.

 

3. Remove Wet Clothing

Wet clothing can accelerate heat loss and worsen hypothermia. Gently and carefully remove wet clothes, including gloves and shoes, as these items can hold moisture close to the skin. Replace the wet clothing with dry, warm layers. Ensure that they are insulated from the cold ground by using dry blankets, clothing, or any available insulation.

 

4. Wrap in Warm Blankets

After removing wet clothing, wrap the person in thick, warm blankets or coats. The goal here is to provide insulation and create a barrier against further heat loss. If you have access to a sleeping bag or additional clothing, use these resources to help trap the person's body heat effectively. Avoid using heating pads.

 

5. Warm the Core First

Concentrate on warming the person's core, particularly the chest and abdomen. Heat these areas by applying warm, dry compresses or hot water bottles wrapped in cloth. It's crucial to use warmth without causing burns, so never use hot water directly on the skin. Prioritizing core warmth helps the body regain its internal temperature and function more efficiently.

 

6. Insulate the Head and Neck

The head and neck are particularly susceptible to heat loss. Place a hat or a dry cloth over the person's head and cover the neck area to minimize heat escape. This extra insulation helps conserve warmth and prevents further cooling of the body.

 

7. Keep the Person Horizontal

If the person is conscious and capable of moving, lay them down horizontally. This position can help improve blood circulation to the core, which is essential for recovering from hypothermia. If possible, elevate their legs slightly, as this aids in blood flow back to the core.

 

8. Offer Warm, Non-Alcoholic, Non-Caffeinated Fluids

If the person is alert and can swallow safely, provide them with warm fluids. These can include hot tea, warm water, or a mild, warm, non-alcoholic beverage. The intake of warm liquids can help raise the person's internal body temperature. Avoid alcohol and caffeine, as they can contribute to further heat loss and dehydration.

 

9. Do Not Rub Extremities

While it's a common misconception that vigorously rubbing cold extremities can help, this can actually harm cold tissues. Avoid any forceful rubbing or massaging of the person's extremities, as this can cause additional damage to already cold and potentially frostbitten areas.

 

10. Monitor Vital Signs

Throughout the treatment process, continuously observe the person's vital signs. Pay close attention to their breathing and pulse. If they become unresponsive and do not have a pulse, be prepared to initiate cardiopulmonary resuscitation (CPR) if you are trained to do so. Prompt monitoring ensures that appropriate actions are taken in case of any deterioration in the person's condition.

Remember, even after providing first aid, it's essential to seek immediate medical attention for a thorough evaluation and ongoing care. Hypothermia can have long-term effects on the body, and professional treatment is crucial for the person's well-being and recovery.

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What is Hypothermia?

Hypothermia is a medical emergency that occurs when the body loses heat faster than it can produce it, leading to a dangerously low core body temperature. The normal body temperature for adults is around 98.6°F (37°C), but hypothermia typically sets in when the body temperature drops below 95°F (35°C) or even lower.

Hypothermia can occur when a person is exposed to cold weather conditions, especially if they are inadequately dressed, wet, or if they spend extended periods in cold environments. It can also develop in water, such as when someone falls into cold water and cannot get out quickly.

 

How to Prevent Hypothermia?

Preventing hypothermia is essential, especially in cold weather conditions or situations where exposure to cold is likely. Here are some measures to help prevent hypothermia:

  • Dress in Layers: Wear multiple layers of clothing to trap warm air close to your body. Start with a moisture-wicking base layer to keep sweat away from your skin, add an insulating layer for warmth, and finish with a waterproof and windproof outer layer.
  • Choose Appropriate Clothing: Wear clothing made from materials like wool, fleece, or synthetic fabrics that provide insulation even when wet. Avoid cotton, as it loses its insulating properties when wet.
  • Wear a Hat: Heat is lost through the head, so wear a warm hat that covers your ears.
  • Protect Extremities: Use gloves or mittens to keep your hands warm, and wear warm, insulated socks and waterproof boots to protect your feet.
  • Stay Dry: Wet clothing and skin lose heat rapidly. Wear waterproof and breathable outer layers to stay dry in wet conditions.
  • Stay Active: Physical activity generates body heat. Keep moving and stay active to generate warmth, but avoid excessive sweating, which can lead to wet clothing and increased heat loss.
  • Stay Hydrated and Nourished: Eat high-energy, warm foods and drink warm, non-alcoholic, non-caffeinated beverages to maintain your body's energy levels.
  • Know the Weather: Check the weather forecast before heading out and be prepared for changing conditions. Dress appropriately for the expected temperature and conditions.
  • Plan Ahead: Inform someone of your plans and expected return time when venturing into cold environments. Carry essential supplies, such as extra clothing, a thermal blanket, and a means of communication (cell phone or radio).
  • Avoid Overexertion: Excessive physical activity can lead to sweating and wet clothing. Balance activity with rest to avoid overheating and sweating.
  • Take Shelter: Seek shelter from the wind and cold when necessary. Wind can significantly increase the rate of heat loss.
  • Stay Dry When Resting: If you stop for a break or rest, ensure you have dry clothing to change into if you've become wet.
  • Know the Signs: Be aware of hypothermia symptoms, both in yourself and others. Early recognition is key to preventing severe cases.
  • Use Proper Gear: If engaging in winter sports or activities, use appropriate gear such as insulated jackets, snow pants, and cold-weather accessories.
  • Alcohol and Tobacco: Avoid excessive alcohol consumption and smoking in cold conditions, as they can increase the risk of hypothermia.

 

By taking these preventive measures and being prepared, you can reduce the risk of hypothermia when facing cold weather or outdoor activities in chilly environments.

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