xiv Contents III Emergency Care 159 79. Abdominal Trauma 161 80. Abrasion, Laceration, or Puncture 163 81. Airway Obstruction 165 The Heimlich Maneuver for Choking 167 82. Amputation 168 83. Anaphylactic Shock 169 84. Angina Pectoris and Cardiac Chest Pain 170 Cardiac Risk Factors 172 Metabolic or Insulin-Resistance Syndrome 172 85. Asthmatic Reaction 173 86. Bite Wounds 175 87. Burn: Chemical 177 88. Burn: Electrical 179 89. Burn: Thermal 180 Burn: Rule of Nines 182 90. Cardiopulmonary Arrest 183 91. Cerebrovascular Accident (CVA) 186 92. Contusion 187 93. Convulsion or Seizure 188 94. Diabetic Emergency: Hyperglycemia 189 Blood Glucose Levels 191 Risk Factors for Diabetes 191 95. Diabetic Emergency: Hypoglycemia 192 96. Epistaxis 194 97. Eye Injury: Chemical Burn 195 98. Eye Injury: Contusion (Blunt Trauma) 197 99. Eye Injury: Flash Burn (Welding) 198 100. Eye Injury: Flash Burn (Nonwelding) 199 101. Eye Injury: Foreign Body or Corneal Abrasion 200 102. Eye Injury: Laceration of Eyelid 201 103. Eye Injury: Penetrating or Intraocular Foreign Body 202 104. Eye Injury: Protruding Foreign Body 203 105. Fracture: Closed 204 106. Fracture: Open 206 107. Frostbite 208 108. Head Injury 210 109. Heat Stress 212 Heat-Related Stress 213 Heat Index Chart 213 Permissible Heat Exposure Threshold Limit Values 214 Heat Stress Card 215 109A. Heat Disorder: Heat Cramps 216