Quick Check: Axis 1 - ECG Axis Determination .
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Question
Identify the electrical axis

Answer
Normal Axis – Lead I up, aVF up
Question
Identify the electrical axis

Answer
Despite the presence of premature ventricular complexes, when analyzing the ventricular depolarization of the underlying rhythm you will note Normal Axis – Lead I up, aVF up
Question
Identify the electrical axis

Answer
Normal Axis – Lead I up, aVF up
Authors and Reviewers
Authored by Thomas O'BrienMedically reviewed by Dr. Jonathan Keroes, MD, Cardiology
Last Update: 11/8/2020