Medical Laboratory and Biomedical Science: Normal Sinus Rhythm With Aberrantly-Conducted PACs

This is a normal 12-Lead ECG with two PACs that are aberrantly conducted in a right bundle branch block pattern. (Sixth and ninth beats). In the PACs, the QRS is slightly wider than the normal beats.

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Normal Sinus Rhythm With Aberrantly-Conducted PACs | ECG Guru - Instructor Resources

Source: ECG Guru - Instructor Resources

Art and Science of Laboratory Medicine

Medical Laboratory and Biomedical Science