NEJM Videos in Clinical Medicine 
        The New England Journal of Medicine (NEJM) has a selection of free Videos in Clinical Medicine to assist 
        medical professionals during the coronavirus pandemic. The videos will be freely available on NEJM.org only 
        for the duration of the outbreak. Below is a complete list of relevant procedural training videos. 
         Placement of an Arterial Line                     Pulse Oximetry                                                                   
         Nasogastric Intubation                            Fiberoptic Intubation                                                            
         Lumbar Puncture                                   Emergency Pericardiocentesis                                                     
         Thoracentesis                                     Ultrasound-Guided Peripheral IV Placement                                        
                                                           Laryngeal Mask Airway in Medical 
         Paracentesis                                      Emergencies                                                                      
         Orotracheal Intubation                            Pulmonary-Artery Catheterization                                                 
         Central Venous Catheterization                    Endotracheal Extubation                                                          
         Positive-Pressure Ventilation with a Face Mask 
         and a Bag-Valve Device                            Insertion of an Intraosseous Needle in Adults                                    
                                                           Ultrasound-Guided Insertion of a Radial 
         Chest-Tube Insertion                              Arterial Catheter                                                                
         Central Venous Catheterization — Subclavian 
         Vein                                              Electrocardiographic Monitoring in Adults                                        
                                                           Ultrasound Guidance for Pleural-Catheter 
         Cricothyroidotomy                                 Placement                                                                        
                                                           Ultrasound-Guided Cannulation of the 
         Placement of a Femoral Venous Catheter            Subclavian Vein                                                                  
         Ultrasound-Guided Internal Jugular Vein           Focused Cardiac Ultrasonography for Left 
         Cannulation                                       Ventricular Systolic Function                                                    
                                      Arterial Puncture for Blood Gas Analysis