Heat stroke classification: Difference between revisions
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==Classification== | ==Classification== | ||
Heat related problems may be classified based on the temperature and the clinical presentation. The following table summarizes the related terms. | Heat related problems may be classified based on the temperature and the clinical presentation. The following table summarizes the related terms.<ref name="pmid25880507">{{cite journal |vauthors=Leon LR, Bouchama A |title=Heat stroke |journal=Compr Physiol |volume=5 |issue=2 |pages=611–47 |year=2015 |pmid=25880507 |doi=10.1002/cphy.c140017 |url=}}</ref><ref name="pmid12075060">{{cite journal |vauthors=Bouchama A, Knochel JP |title=Heat stroke |journal=N. Engl. J. Med. |volume=346 |issue=25 |pages=1978–88 |year=2002 |pmid=12075060 |doi=10.1056/NEJMra011089 |url=}}</ref> | ||
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{| | {| align=center | ||
!Condition | |- | ||
!Definition | | | ||
{| style="border: 0px; font-size: 90%; margin: 3px;" align=center | |||
!align="center" style="background:#4479BA; color: #FFFFFF;" |Condition | |||
!align="center" style="background:#4479BA; color: #FFFFFF;" |Definition | |||
|- | |- | ||
|Heat wave | |align="center" style="background:#DCDCDC;"|Heat wave | ||
|Three or more consecutive days during which the air temperature is >32.2°C. | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |Three or more consecutive days during which the air temperature is >32.2°C. | ||
|- | |- | ||
|Heat stress | |align="center" style="background:#DCDCDC;"|Heat stress | ||
|Perceived discomfort and physiological strain associated with exposure to a hot environment, especially during physical work. | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |Perceived discomfort and physiological strain associated with exposure to a hot environment, especially during physical work. | ||
|- | |- | ||
|Heat stroke | |align="center" style="background:#DCDCDC;"|Heat stroke | ||
|Severe illness characterized by a core temperature >40°C and central nervous system abnormalities such as [[delirium]], [[convulsions]], | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |Severe illness characterized by a core temperature >40°C and central nervous system abnormalities such as [[delirium]], [[convulsions]], | ||
or [[coma]] resulting from exposure to environmental heat (classic heat stroke) or strenuous physical exercise (exertional heat stroke). | or [[coma]] resulting from exposure to environmental heat (classic heat stroke) or strenuous physical exercise (exertional heat stroke). | ||
|- | |- | ||
|Heat exhaustion | |align="center" style="background:#DCDCDC;"|Heat exhaustion | ||
|Mild-to-moderate illness due to water or salt depletion that results from exposure to high environmental heat or strenuous physical | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |Mild-to-moderate illness due to water or salt depletion that results from exposure to high environmental heat or strenuous physical | ||
exercise; signs and symptoms include intense thirst, [[weakness]], [[discomfort]], [[anxiety]], [[dizziness]], [[fainting]], and [[headache]]; core temperature | exercise; signs and symptoms include intense thirst, [[weakness]], [[discomfort]], [[anxiety]], [[dizziness]], [[fainting]], and [[headache]]; core temperature | ||
may be normal, below normal, or slightly elevated (>37°C but <40°C). | may be normal, below normal, or slightly elevated (>37°C but <40°C). | ||
|- | |- | ||
|Hyperthermia | |align="center" style="background:#DCDCDC;"|Hyperthermia | ||
|A rise in body temperature above the hypothalamic set point when heat-dissipating mechanisms are impaired (by drugs or disease) or | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |A rise in body temperature above the hypothalamic set point when heat-dissipating mechanisms are impaired (by drugs or disease) or | ||
overwhelmed by external (environmental or induced) or internal (metabolic) heat. | overwhelmed by external (environmental or induced) or internal (metabolic) heat. | ||
|- | |- | ||
|Multiorgan-dysfunction | |align="center" style="background:#DCDCDC;"|Multiorgan-dysfunction | ||
syndrome | syndrome | ||
|Continuum of changes that occur in more than one organ system after an insult such as trauma, [[sepsis]], or heat stroke. | |style="padding: 5px 5px; background: #F5F5F5;" align="left" |Continuum of changes that occur in more than one organ system after an insult such as trauma, [[sepsis]], or heat stroke. | ||
|} | |} | ||
Heat stroke is classified to 2 types. | |||
*Exertional heat stroke (EHS) generally occurs in young individuals who engage in strenuous physical activity for a prolonged period in a hot environment. | |||
*Classic nonexertional heat stroke (NEHS) more commonly affects sedentary elderly individuals, persons who are chronically ill, and very young persons.<ref name="pmid25880507">{{cite journal |vauthors=Leon LR, Bouchama A |title=Heat stroke |journal=Compr Physiol |volume=5 |issue=2 |pages=611–47 |year=2015 |pmid=25880507 |doi=10.1002/cphy.c140017 |url=}}</ref> | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 17:01, 23 May 2017
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Heat stroke Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Heat stroke classification On the Web |
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American Roentgen Ray Society Images of Heat stroke classification |
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Risk calculators and risk factors for Heat stroke classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Seyedmahdi Pahlavani, M.D. [2]
Overview
Classification
Heat related problems may be classified based on the temperature and the clinical presentation. The following table summarizes the related terms.[1][2]
Heat stroke is classified to 2 types.
References |