呼吸道通气方法ALS

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Airway & Ventilation Methods: ALS,Pharmacologic Assisted Intubation (“RSI),Neuromuscular Blockade,Contraindications,Most are Specific to the medication,inability to ventilate patient once paralysis is induced,Advantages,enables to provider to intubate patients who otherwise would be difficult or impossible to intubate,minimizes patient resistance to intubation,reduces risk of laryngospasm,Airway & Ventilation Methods: ALS,Pharmacologic Assisted Intubation (“RSI),Mechanism of Action for NMB agent,acts at the neuromuscular junction where ACh normally allows nerve impulse transmission,binds to nicotinic receptor sites at skeletal muscle,depolarizes or does not depolarize specific to med,blocks further action by ACh at receptor sites,therefore, blocks further depolarization resulting in muscular paralysis,Airway & Ventilation Methods: ALS,Pharmacologic Assisted Intubation (“RSI),Disadvantages & Potential Complications,Does not provide sedation or amnesia,Provider unable to intubate or ventilate after NMB,Aspiration during procedure,Difficult to detect motor seizure activity,Side effects and adverse effects of specific meds,Airway & Ventilation Methods: ALS,Pharmacologic Assisted Intubation (“RSI),Common Used NMB Agents,Depolarizing NMB agents,succinylcholine (Anectine),Non-depolarizing NMB agents,vecuronium (Norcuron),rocuronium (Zemuron),pancuronium (Pavulon),Airway & Ventilation Methods: ALS,Pharmacologic Assisted Intubation (“RSI),Summarized Procedure,Prep all equipment and medications while ventilating patient,Hyperventilate,Administer induction/sedation agents & pretreatment meds (e.g. lidocaine or atropine),Administer NMB agent,Sellick maneuver,Intubate per usual,Continue NMB and sedation/analgesia prn,Airway & Ventilation Methods: ALS,Examples of,Secondary Tube Placement Confirmation Devices,(From AMLS, NAEMT),From AMLS, NAEMT,Airway & Ventilation Methods: ALS,Needle Thoracostomy (chest decompression),Indications,Positive sx/sx of,tension,pneumothorax,Cardiac arrest with PEA or Asystole when the possibility of trauma and/or tension pneumo exist,Contraindications,Absence of indications,Airway & Ventilation Methods: ALS,Tension Pneumothorax,Sx/Sx,severe respiratory distress,or absent lung sounds (unilateral usually), resistance to manual ventilation,Cardiovascular collapse (shock),asymmetric chest expansion,anxiety, restlessness or cyanosis (late),JVD or tracheal deviation (late),Airway & Ventilation Methods: ALS,Needle Thoracostomy,Prep equipment,Locate landmarks: 2nd intercostal space at midclavicular line,one-way valve,Airway & Ventilation Methods: ALS,Chest Escharotomy,Indications,In the presence of severe edema to the soft tissue of the thorax as with circumferential burns:,inability to maintain adequate tidal volume even with PPV,inability to obtain adequate chest expansion with PPV,Rarely needed,Airway & Ventilation Methods: ALS,Chest Escharotomy,Considerations,must rule out the possibility of upper airway obstruction,Procedure,Intubate if not already done,Prep site and equipment,Vertical incision to anterior axillary line,Horizontal incision only if necessary,Cover and protect,Airway & Ventilation: Risks & Protective Measures,BSI,Gloves,Face & eye shields,Respirator if concern for airborne disease,Be prepared for,coughing,spitting,vomiting,biting,Airway & Ventilation Methods,Saturdays class,Practice using the equipment,orotracheal intubation,nasotracheal intubation,gastric tube insertion,surgical airways,needle thoracostomy,combitube,retrograde intubation,