You have been called to a residence for a patient who is sick. On scene, the family tells you that the patient is being treated for 'stomach flu' and has had a fever of 102°F for the past two days. She has been taking all of the medications prescribed by her doctor, but this evening became very 'sweaty.' Assessment shows her to be stable with a pulse of 88, respirations of 18 breaths/min, adequate blood pressure of 128/68 mmHg, and an oral temperature of 100.2°F. Based on these data, the EMT should recognize that:

Environmental emergencies can include a variety of patient presentations, such as heat and cold exposure, toxic envenomation, exposure to allergens, and noxious plants.  Here are some symptoms of environmental emergencies: Hyperthermia: Elevated core temperature, muscle cramps, altered mental status, weakness, headache, nausea or vomiting, rapid, strong pulse at first, which deteriorates into thready pulse, deep, rapid breathing at first, which deteriorates into shallow and weak breathing, skin that is cool and moist during early stages, skin that is hot at late stages,... Show more

Environmental emergencies can include a variety of patient presentations, such as heat and cold exposure, toxic envenomation, exposure to allergens, and noxious plants. 

Here are some symptoms of environmental emergencies:
Hyperthermia: Elevated core temperature, muscle cramps, altered mental status, weakness, headache, nausea or vomiting, rapid, strong pulse at first, which deteriorates into thready pulse, deep, rapid breathing at first, which deteriorates into shallow and weak breathing, skin that is cool and moist during early stages, skin that is hot at late stages, seizures
Convection: The loss of heat through contact with a cooler gas or fluid, symptoms include sweaty skin, flushing, lightheadedness, dry skin, weakness, nausea/vomiting, muscle cramping, gradually increasing heart rate
Conduction: The transfer of heat from a part of the body to a colder object or substance by direct contact, such as when a warm hand touches cold metal or ice, or is immersed in water with a temperature of less than 98°F (36.7°C) 

Here are some steps for providing first aid in environmental emergencies:
Ensure the scene is safe and wear personal protective equipment
Get the first aid kit and the AED
Tell the dispatcher the chemicals involved if possible
Remove the person from the toxin or poison and seek a well-ventilated area if possible 

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