74 year old male patient with a history of COPD, hypertension, and pulmonary vascular disease. Patient is being monitored during a mitral valve replacement and coronary artery bypass graft procedure.
Rhythm analysis indicates a [borderline] normal sinus rhythm (NSR). Also present is a right bundle branch block (RBBB). Premature Atrial Complexes (PACs) exist in this encounter as well.
This encounter shows a [borderline] regular rhythm and heart rate, displaying P waves. This is normal sinus rhythm. The wide QRS in some locations leads to an investigation of conduction blocks. The QRS to the left of the J point is positive in lead V1, making this a right bundle branch block (RBBB).
Source: PhysioNet MGH017