| 
    
  
    |   | 
      | 
      | 
  
  
    |   Rhythm/Beat Classes  | 
    C -Code  | 
    R -Code  | 
  
  
    |   | 
      | 
      | 
  
  
    | Sinus | 
      | 
      | 
  
  
    | Normal Sinus Rhythm | 
        
        C1, 
        C2, 
        C3, 
        C4
 | 
     | 
  
  
    | Sinus  Tachycardia (HR ≥ 120 BPM) | 
        
        C1, 
        C2, 
        C3, 
        C4
 | 
     | 
  
  
    | Sinus  Bradycardia (HR < 60 BPM) | 
        
        C1, 
        C2, 
        C3, 
        C4
 | 
     | 
  
  
    | Sinus Arrhythmia | 
        
        C1, 
        C2, 
        C3, 
        C4
 | 
     | 
  
  
    | Sinus Pause/Arrest | 
    N\A | 
     | 
  
  
    | 2° SA Block | 
    N\A | 
     | 
  
  
    |   | 
      | 
     | 
  
  
    | AV Junctional | 
      | 
     | 
  
  
    | 2° AV block | 
    N\A | 
     | 
  
  
    | Complete AV Block | 
    
    N\A | 
     | 
  
    | Complete AV Dissociation | 
    N\A | 
     | 
  
  
    |   | 
      | 
      | 
  
  
    | Pre-Excitation  | 
      | 
     | 
  
  
    | Wolff-Parkinson-White (WPW) | 
    C1 | 
     | 
  
  
    |   | 
      | 
     | 
  
  
    | Atrial Fibrillation and Flutter | 
      | 
     | 
  
  
    | Atrial fibrillation | 
    N\A | 
     | 
  
  
    | Atrial flutter | 
    N\A | 
     | 
  
  
    |   | 
      | 
      | 
  
  
    | Paced | 
      | 
     | 
  
  
    | Atrial Paced Beat | 
    C16, C21 
     | 
     | 
  
  
    | Ventricular Paced Beat LBB Morphology | 
    C16, C22
     | 
     | 
  
  
    | Ventricular Paced Beat RBB Morphology | 
    
    C16,
    C23 | 
     | 
  
  
    | Dual Chamber Paced Beat/AV Sequential Paced beat | 
    
    C16, C22, C24 | 
     | 
  
  
    | Biventricular Pacing | 
    C16, C19, | 
     | 
  
  
    | Fusion of paced and normal beat | 
    C17 | 
    N\A  | 
  
  
    |   | 
      | 
     | 
  
  
    | Supraventricular Ectopy | 
      | 
     | 
  
  
    | Supraventricular ectopic beat (includes Atrial/Nodal/Junctional Beats) | 
    C5, 
      C7, 
      C8,
      C12, 
      C13 | 
    N\A  | 
  
  
    | Atrial Ectopic Beat | 
    
    C5 
     | 
    N\A  | 
  
  
    | Nodal/Junctional Ectopic Beat | 
    C7 | 
    N\A  | 
  
   
    | Junctional Tachycardia | 
    C7
   C8
    |   | 
    
  
  
    | SVEB with Aberrant Ventricular | 
    C8 | 
    N\A  | 
  
  
    | Atrial Escape Beat | 
    C12 | 
    N\A  | 
  
  
    | Nodal (junctional) escape beat  | 
    C13 | 
    N\A  | 
  
  
    | SVEB Patterns (Bigeminy) | 
    
      C5, 
      C7, 
      C8 | 
     | 
  
  
    | SVEB Couplets | 
    
    C5, C7, 
    C8 | 
     | 
  
  
    | Supraventricular Tachycardia | 
    
      C5, 
      C7,
      C8 | 
     | 
  
  
    | Nodal (A-V junctional) rhythm  | 
    C13 | 
     | 
  
  
    | Wandering Atrial Pacemaker | 
    
    C5, 
    C7,
    C8 | 
     | 
  
  
    | Blocked Atrial Ectopic Beat | 
    N/A | 
     | 
  
  
    |   | 
      | 
     | 
  
  
    | Ventricular Ectopy | 
      | 
     | 
  
  
    | Ventricular Ectopic Beat (VEB) | 
     C9, 
    C10, 
    C11, 
    C15,
    C20,  
    C25, 
    C26, 
    C27,
    C30 | 
    N\A  | 
  
  
  
    | VEB Left Bundle Branch Morphology | 
    
    C9, 
    C10, 
    C25, C30 | 
    N\A  | 
  
  
    | VEB Right Bundle Branch Morphology | 
    
    C9, 
    C10, 
    C26, C30 | 
    N\A  | 
  
  
    | VEB Unspecified Morphology | 
    C9, C10, C27,C30 | 
    N\A  | 
  
  
    | R on T VEB | 
    C9, C10, C25, C26, C27 | 
    N\A  | 
  
  
    | Interpolated VEBS | 
    C20, C25, C26, C27 | 
    N\A  | 
  
  
    | Fusion of ventricular and normal beat | 
    C11, C25, C26, C27 | 
    N\A  | 
  
  
    | Ventricular escape beat | 
    C15, C25, C26, C27 | 
    N\A  | 
  
  
    | Ventricular trigeminy | 
     C9, 
    C10, 
    C11, 
    C15,
    C20,  
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Ventricular bigeminy | 
     C9, 
    C10, 
    C11, 
    C15,
    C20,   
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | VEB Couplets | 
    
    C9,  
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Idioventricular rhythm | 
    
    C9,  
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Non-sustained Ventricular Tachycardia | 
    
    C9,  
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Sustained Ventricular Tachycardia | 
     C9, 
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
     C30 | 
     | 
  
  
    | Torsades De Pointes | 
    
    C9,  
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Ventricular flutter | 
    
    C9,  
    C10, 
    C11, 
    C15, 
    C25, 
    C26, 
    C27,
    C30 | 
     | 
  
  
    | Ventricular Fibrillation | 
    N/A | 
     | 
  
  
    | Common VEB | 
     C9, 
      
    C25, 
    C26, 
    C27,
     C30 | 
     N\A  | 
  
  
    |   | 
      | 
      | 
  
  
    | ST Depression/Elevation | 
      | 
      | 
  
  
    | ST Depression (≥ 2.0mm) | 
    N\A | 
     | 
  
  
    | ST Elevation (≥ 2.0mm) | 
    N\A | 
     | 
  
  
    |   | 
      | 
      | 
  
  
    | ARTIFACT | 
      | 
      | 
  
  
    | A pseudo-beat label generated during a sergment marked unreadable | 
    C28 | 
    N\A  | 
  
  
    | A pseudo-beat label generated at any other time | 
    C29 | 
    N\A  | 
  
  
    | Unreadable | 
    N\A | 
     | 
  
  
    | Baseline Wander | 
    N\A | 
     | 
  
  
    | Muscle artifact-tremor | 
    N\A | 
     | 
  
  
    | Electrode motion artifact | 
    N\A | 
     | 
  
  
    | Signal Loss  | 
    N\A | 
     | 
  
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