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Emergency Care 13th Ed. Chapter 31 - Environmental Emergencies Flashcards

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3367470439________ is the transfer of heat from one material to another through direct contactConduction0
3367470440_____ _____ is chilling caused by conduction of heat from the body when the body or clothing is wetWater chill1
3367470441Water conducts heat away from the body ___ times faster than still air252
3367470442_______ is carrying away of heat by currents of air, water, or other gases or liquidsConvection3
3367470443_____ _____ is chilling caused by convection of heat from the body in the presence of air currentsWind chill4
3367470444________ is sending out energy, such as heat, in waves into spaceRadiation5
3367470445_________ is the change from liquid to gas. When the body perspires or gets wet, evaporation of the perspiration or other liquid into the air has a cooling effect on the bodyEvaporation6
3367470446_________ is breathing. During breathing, body heat is lost as warm air is exhaled from the bodyRespiration7
3367470447________ is generalized cooling that reduces body temperature below normal, which is a life-threatening condition in its extremeHypothermia8
3367470448Between ___-___ degrees, expect shivering to occur96-999
3367470449Between ___-___ degrees, expect intense shivering and difficulty speaking91-9510
3367470450Between ___-___ degrees, expect shivering to decrease and be replaced by muscular rigidity90-8611
3367470451Between ___-___ degrees, expect the patient to become irrational, lose contact with the environment, and drift into a stuporous state81- 8512
3367470452Between ___-___ degrees, expect the patient to lose consciousness and not respond to verbal stimuli78-8013
3367470453Patients in _______, with ______, head and spinal cord injuries, infection, diabetes, and under the influence of ______ or ______ are more at risk of hypothermiaShock, burns, drugs or alcohol14
3367470454The greatest area of heat loss in the body is the ______Head15
3367470455A pulse should be checked in hypothermic patients for at least ___-___ secs30-45 secs16
3367470456________ rewarming allows the body to rewarm itselfPassive17
3367470457________ rewarming is the application of an external heat source to rewarm the body of a hypothermic patientActive18
3367470458________ rewarming is the application of heat to the lateral chest, neck, armpits, and groin of a hypothermic patientCentral19
3367470459Rough handling of a hypothermic patient can result in _______ _______Ventricular fibrillation20
3367470460In cases of extreme hypothermia, you will find the patient unconscious with no discernible vital signs. The H/R can slow to less than ___ beats/min, and the patient will feel cold to the touch. Patient could still be alive1021
3367470462______ ______ is cooling or freezing of particular parts of the body.Local cooling22
3367470463The most severe cases of local cooling result in _______ (localized tissue death), resulting in a dead white color of skinGangrene23
3367470464Before warming a frozen body part, ensure to remove ______Jewelry24
3367470465______ is a good indicator of successful rewarmingPain25
3367470466________ is an increase in body temperature above normal, which is a life-threatening conditionHyperthermia26
3367470467When humidity is high, the evaporation of perspiration ______Slows27
3367470468Prolonged exposure to excessive heat can create an emergency in which the patient presents with ____, ____ skin that may feel normal or cool to the touch, a condition known as heat _______moist, pale skin. Exhaustion28
3367470469When the body loses salts and brings on painful muscle cramps, the condition is called ____ _______heat cramps29
3367470470The first step in emergency care for patients with heat conditions is to _______ them from the hot environmentRemove30
3367470471When a heat emergency patient presents with hot skin, whether dry or moist, it is known as ___ ______. Starts when the patient stops sweatingHeat Stroke31
3367470472_________ is the process of experiencing respiratory impairment from submersion/immersion in liquid. Outcomes are classified as death, morbidity, and no morbidityDrowning32
3367470473_______ means the patient experiences illness or other adverse effects, such as unconsciousness or pnemoniaMorbidity33
3367470474Some patients who drown in cold water can be resuscitated after ___ mins or more in cardiac arrest30 mins34
3367470475_______ _______ is a condition resulting from nitrogen trapped in the body's tissues, caused by coming up too quickly from a deep, prolonged dive. A symptom is "the bends" or deep pain in the muscles and jointsDecompression sickness35
3367470476____ percent of decompression sickness cases occur within 3 hours of the dive9036
3367470477The risk of decompression sickness is increased if divers fly within ___ hours of a dive1237
3367470478The order of water rescue is: ______, ______ and tow, _____, and ____Reach, throw and tow, row, and go38
3367470479_______ are substances produced by animals or plants that are poisonous to humansToxins39
3367470480_______ is a toxin produced by certain animals such as snakes, spiders, and some marine lifeVenom40
3367470481_____ ______ spider bites are painless, and patients seldom recall being bitten. Bite results in severe localized tissue damageBrown recluse41
3367470482_____ _____ and _____ snakes are the poisonous snakes in the U.S.Pit vipers and coral42
3367470483A p______ i_______ b_______ may be the most effective technique to slow the spread of venom after as snakebitePressure immobilization bandage43
3367470484The purpose of the pressure immobilization bandage is to restrict the flow of the ______, not the bloodLymph44
3367470485Rinsing site of the sting from marine life with _______ will reduce pain to the stingVinegar45
3367470486After a sting site has been rinsed with vinegar to inactivate the venom, immersion of the site in hot but nonscalding water (maximum ____ degrees) may further reduce the pain11346
3369006437Since infants and young children are small with large skin surface areas in relation to their total body mass and have little body fat, they are especially prone to ________hypothermia47
3369008663Because of small muscle mass, infants and children do not ________ very much at allshiver48
3369015792When delivering a baby, it is crucial to ______ them (to prevent heat loss from evaporation) and ___ ____ ____ (to prevent heat loss by radiation and convection)dry, cover their head49
3369064353When assessing a patient, consider the impact of the following 8 thingsair temperature wind and/or water chill the patients age and health underlying illness existing injuries how active the patient was during exposure possible drug and alcohol use50
3369108276Passive rewarming involves simply _______ the patient, and taking other steps, including ______ ___ _______, to prevent further heat losscovering the patient, removing wet clothing51
3369116902All EMS systems allow passive rewarming but not all allow _____ ________. Follow your local protocolactive rewarming52
3369119516Active rewarming can be a __________ process if the patients condition is more serious than believeddangerous53
3369127916If you are allowed to rewarm a patient with hypothermia who is alert and responding appropriately, do so, but do not ______ _______delay transport54
3369130037_________ the patient while en routerewarm55
3369140751After you've removed the wet clothing and covered the patient in dry, warm blankets, be sure to keep the patient ______, and handle him very ______.still, gently56
3369143354Should you massage the patients extremities?NO57
3369146133Do not let the hypothermic patient ______walk58
3369154021Do not warm the patient ____ ______ as this could cause ____ ______too quickly, cardiac arrest59
3369185120Take the following precautions when actively rewarming a patient: rewarm ______, handle as if there were ______ ______ ______, use ________ _______, if transportation is delayed give the patient _ _______ _______, keep the patient __ ______, avoid _____ _______slowly, unstable cervical-spine injuries, central warming, a warm bath, at rest, rough handling60
3369209996You must avoid rewarming ___ _____ because if they are warmed first you could cause a dangerous form of shockthe limbs61
3369213345Give the hypothermic patient ____ _______ at a slow ratewarm liquids62
3369238172Active heating includes hot packs, hot water bottles, electric heating pads, warm ___, radiated heat, and even your own body heat.air63
3369247681A hypothermic patient who is unresponsive or not responding appropriately has _____ hypothermia. For this patient provide ______ warmingsevere, passive64
3369272856For the patient with severe hypothermia, along with removing from environment and protecting from further heat loss, ensure _____ _____, provide _____-____ _____ (passed through a warm-water humidifier or use cylinder from warm storage area), wrap in blankets and transport immediatelyairway open, high-flow oxygen65
3369277786With extreme hypothermia, you will find the patient unconscious with no discernible ____ _____vital signs66
3369280171The heart rate can slow to less than ____ beats per minute1067
3369282052core body temperature may fall below _____ degrees8068
3369285200For patients with extreme hypothermia assess the _____ _____ for ___ to __ secondscarotid pulse, 30 to 4569
3369290924For the patient with extreme hypothermia, if there is no pulse start ____ and prepare to apply the ___CPR, AED70
3369308652For patients with extreme hypothermia, if he has a pulse, treat as you would for a patient with ______ ______ - use passive rewarming, keep airway open, use warmed high-flow oxygen,severe hypothermia71
3369328768Even though there are no vital signs, the hypothermic patient may not reach _______ _______ for more than ____ minutesbiological death, 3072
3369337579Remember "your not dead until you're ______ and _____warm and dead73
3369392895Local cooling is classified as 1) _____ or _________ and 2) _______ or ____early or superficial, and late or deep74
3369397599local cooling usually effects the ears, nose, hands, fingers, _____ and ______feet and toes75
3369420228With early or superficial local cold injury, the s/sx's are the following: for light skinned people, the skin ____, for dark skinned people, the skin ______. Both then _____. Also, the affected area feels ______reddens, lightens. blanch (whiten). numb76
3369428028With early/superficial cold injury you should/should not rub or massage the areaSHOULD NOT77
3369461687With late or deep local cold injury, the s/sx's are the following: affected skin appears ____ and _____. If the condition progresses to actual freezing, the skin turns _____ or ______, and the color turns from white to ______ ______ and finally to _____ ____.white and waxy, mottled or blotchy, grayish yellow, grayish blue78
3369863029Never ____ or ______ a frostbite or break blisters. And, never allow a patient to walk on an affected extremity. Also, do not ____ a frozen limb if there's a chance it will be frozen againrub or massage, thaw79
3369875537Active rapid rewarming of frozen parts is ____ recommendedseldom80
3369883197If you are in an area where you must attempt rewarming without instructions from a physician, follow these procedures: Heat water to between ___ and ___ degrees. remove anything covering the frozen area. Fully _______ the injured part but do not let it ______ the sides or bottom of the container100 to 105, immerse, touch81
3369896176When actively rewarming a frozen part, the patient may complain of ____. This is a good indicator of __________ rewarmingpain, successful82
3369903676When the frozen part is completely rewarmed it will no longer feel _____ and turn _____ or ____frozen, red or blue83
3369909834After rewarming a frozen part, gently ___ the affected area and apply dry, sterile dressings. Place the dressing _____ fingers and toes before dressing the ____ and ____dry, between, hands, and feet84
3369921017When covering a dressed, rewarmed injured site, make sure the blanket does not come in ____ _____ with the area or put _______ on the site by resting the cover on a framework.direct contact, presure85
3369926213Do not allow a rewarmed site to _____refreeze86
3370241956To rapidly cool a patient with a hyperthermic emergency apply ice packs to the neck, groin, and _____ (______)axilla (armpits)87
3370249824decompression sickness from a dive usually takes place ...from 1 to 48 hours after the dive88
3370260403The most important factor in determining whether EMT's enter the water to rescue a patient is what?their training89
3370270975The LEAST safe method of executing an ice rescue is use of a ...human chain90
3370275727Venom produced by a snake or spider is an example of a(n):toxin91
3370280664The sting or bite that claims the most lives comes from what?bees and wasps92
3370285493In addition to noticeable puncture marks, s/sx's of a snake bite include pain and swelling at the site, ____cardia, ______, generalized ________, _______ problems, n/v, ______, drowsiness, and ______.tachycardia, dyspnea, generalized weakness, vision problems, nausea and vomiting, seizures, drowsiness, and unconsciousness93
3370310563A dangerous, venomous snake that is NOT a pit viper is the ______ ______coral snake94
3370314887water chill, which occurs when clothing or the body gets wet is an example of what?conduction95
3370319895Wind chill, which occurs when currents of air pass over the body, is an example of what?convection96
3370330731Rough handling of a patient with hypothermia may result in what?ventricular fibrillation97
3370339344superficial (early) local cold injuries are sometimes referred to as ____frostnip98
3370342076Deep (late) local cold injuries are sometimes referred to as ____frostbite99
3370355433S/Sx's of a person experiencing a heat emergency are _____, ______, _____ and _____ breathing, ____ pulse, heavy ______, loss of _____cramps, weakness, rapid and shallow, weak, perspiration, consciousness100
3370369122S/Sx's of hypothermia are Sh_____, N____, S____, D____, R____ breathing, R____pulse, or low, absent or undetectable _______shivering, numbness, stiffness, drowsiness, rapid breathing, rapid pulse, slow or absent or undetecable blood pressure101
3371012169A(n) ____ _____ is the result of gases leaving a damaged lung and entering the bloodstreamair embolism102
3371025854The ____ ____ ____ was formed to assist rescuers with the care of underwater diving accident patientsDiver Alert Network103
3371035937Soaking a wound in ______ water for 30 minutes will break down venom from a stinging or bite woundhot104
3371043304most radiant heat occurs from a person's ______ and _____head and neck105

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