80 year old male patient monitored during aortic resection and graft procedure.
Rhythm analysis indicates sinus tachycardia with a first degree heart block.
This encounter displays a P wave of over 200 ms or one square away from the QRS, making it first degree heart block. This condition represents a delay between atrial and ventricular conduction. It is not considered dangerous, but can escalate to higher level blocks. The rhythm for this encounter is sinus tachycardia, due to the fast, regular rate and presence of P waves.
Source: PhysioNet MGH124