Doctor insights on:
How Long Does It Take To Die From Hypothermia
Hartd to say:
There have been many times that a "dead" person has been brought to the er only to have them be revived through warming and life support. There is a saying that "they are not dead until they are warm and dead".
There are documented cases where that motto has been forgotten and the patient wakes up in the morgue! ...Read more
Trick Question ;): Someone falling into very cold water would likely die in a few minutes, but from drowning, hot hypothermia. If that same person was wearing a personal floatation device (pfd, or life jacket), they wouldn't die from hypothermia for more like an hour. Cold water causes a gasp reflex and quickly progressive loss in muscle strength - drowning happens quickly. Core temperature falls much more slowly. ...Read more
Very little time.: Hypothermia is defined as having a core body temperature below 95 degrees f or 35 degrees c. How long it takes to drop your body temperature to that degree is dependent on your exposure and the environmental conditions. Your body can lose heat 25 times faster in cold water than cold air. Children and elderly are at higher risk of hypothermia. ...Read more
For hypothermia and frostbite, when do they amputate your limbs and how long does it take for them to know?
Requires an exam: Mild frostbite heals well, even blistering can heal without disability. Severe frostbite usually takes days to demarkate, and sometimes weeks. As long as it is not infected, the injury can be treated supportively until the determination is made. If infection occurs, then the issue becomes more critical. ...Read more
Depends: Depends on how fast the body core temp drops. Definition: below 95 degrees: depending on the body temp: between 95-89.6 - poor peripheral circulation, shivering, apathy, lethargy, confusion and rapid heart rate; between 89.6-82.4 - shivering stops, increased confusion or delirium, slowing heart rate and irregular heart rate; below 82.4 coma, ventricular fibrillation (type of cardiac arrest). ...Read more
Depends: Cooling depends of various factors and mainly the actual temperature of the lake..... ...Read more
There are formulas to calculate the rate of heat loss and it depends whether the person is wet or dry, naked or clothed.
It is a good idea in bad weather to have a change of clothes and to avoid risk. ...Read more
Hypothermia: Younger children take longer to recover from same degree of hypothermia because their body surface area is larger. Kids less than 5 yrs are in particular at risk. Children 5 yrs to 14 yrs develop hypothermia with same level of exposure in same time. Almost all of them (ages 5-14) recover with minimal serious long term consequences. ...Read more
Usually heart stops: Definition: below 95 degrees: depending on the body temp: between 95-89.6 - poor peripheral circulation, shivering, apathy, lethargy, confusion and rapid heart rate; between 89.6-82.4 - shivering stops, increased confusion or delirium, slowing heart rate and irregular heart rate; below 82.4 coma, ventricular fibrillation (type of cardiac arrest), may look dead; below 68 brain activity stops. ...Read more
Hypothermia: Hypothermia is a condition in which the body's temperature drops below that required for normal metabolism and body functions. This is generally considered to be less than 35.0 °C (95.0 °F). Symptoms depend on the temperature. In mild hypothermia there is shivering and mental confusion. In severe hypothermia the heart rate slows and can stop. The internal mechanisms cannot replace lost heat. ...Read more
It depends: Survivors of the Titanic disaster who were immersed in cold water wearing life vests were mostly dead in about an hour. Much depends on the circumstances. ...Read more
How long can a healthy 25 year-old male adult last in cold water of 15c (59f) before hypothermia sets in?
Confusing question: Hypothermia is actually used in centers to reduce brain metabolism after a stressful event and has a brain protective effect. Gradual rewarming is eventually done. Patients will either re-warm and survive or secumb to their problem. I fail to understand what treatment someone could omit and still have a surrvivor. ...Read more
Would low body temperature cause anxiety? Get attacks every night and take Lexapro (escitalopram) which helps, but doesn't fix the problem. Also have low thyroid.
Possibly: hypothyroidism may contribute to lower body temp or feeling cold, as might a history of anxiety. Interestingly both issues are associated with constriction of blood flow to extremities, increasing the feeling of cold. Suggest discussing symptoms with your provider. Also consider cognitive behavior therapy for panic symptoms as well as visualization activities to increase blood flow to extremities. ...Read more
Cold: Hypothermia is caused by loss of body heat. This can occur in injury, immersion in water, surgery, exposure outdoors, etc. Some conditions call for deliberately induced hypothermia such as stroke and post-cardiac arrest patients. Severe hypothermia requires medical intervention, mild hypothermia-a cup of hot chocolate. ...Read more
Warm body...: There are many ways to slowly warm a patient who has hypothermia. Examples include, warm blankets, warmed IV fluids, warm water peritoneal lavage, hemodialysis with warming of blood before it is returned to the body, etc. Some of these maneuvers are very invasive and so are only used if initial, less invasive maneuvers fail. Taking off cold, wet clothing is important part of warming process. ...Read more
Low body temp: Definition: below 95 degrees: depending on the body temp: between 95-89.6 - poor peripheral circulation, shivering, apathy, lethargy, confusion and rapid heart rate; between 89.6-82.4 - shivering stops, increased confusion or delirium, slowing heart rate and irregular heart rate; below 82.4 coma, ventricular fibrillation (type of cardiac arrest), may look dead; below 68 brain activity stops. ...Read more
Walking/hiking outdoors with hypothermia can make you slow and sleepy, with risk of more damage as you cool down further. Frostbite results when parts of you get too cold and freeze.
In a different setting, like after injury or surgery, with heavy bleeding, hypothermia throws off the body's ability to clot and stop the bleeding. Other basic functions get thrown off as well. ...Read more
Yes: Hypothermia can occur in temperature exposures of 50f or higher in wet and windy weather. Certain factors can predispose people to developing hypothermia, such as alcohol consumption. Home treatment may raise body temperature to normal in some mild cases of hypothermia but this can require hospital care if moderate to severe. ...Read more
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