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|EEG Basal Cortical Rhythms|
Credits: 1.00 Post-Assessment Questions: 4
Release Date: 5 Oct 2020
Expiration Date: 25 Sep 2021
Last Reviewed: 25 Sep 2020
Estimated Time To Finish: 60 Minutes
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Electroencephalography (EEG) is a neurophysiological test that measures changes in neuronal activity associated with current flows in the extracellular space produced by local field potentials. Such field potentials can be either excitatory, also known as excitatory postsynaptic potentials (EPSP,) or inhibitory, also known as inhibitory postsynaptic potentials (IPSP) in nature. EEG tracing records not only the physiologic cortical activity, but inevitably also captures fields of electrical activity generated by other sources such as cardiac, myogenic, and electromagnetic, among others. It is substantial for the electroencephalographer to be able to distinguish normal physiologic brain activity from those recorded from non-physiologic sources. Such knowledge is critical to avoid EEG misinterpretation. Basal cortical rhythms are physiologic alpha-range rhythms that present in normal healthy brains. They encompass 3 rhythms: (1) Alpha rhythm, (2) Mu rhythm, and (3) Third rhythm. Not a lot is known about the Third rhythm. Wickets rhythm is considered a fragmented Third rhythm and will be discussed in depth. This activity reviews the role of the interprofessional team in EEG basal cortical rhythm evaluation.
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Authors: Abdullah Al Sawaf, Aashrai Gudlavalleti
Editors: Najib Murr
Editors-In-Chief: Yasir Al KhaliliAnil KumarPablo Castillo
Chief Medical Reviewer: Franklyn Rocha Cabrero
Nurse Planner/Reviewer/Editor: Lisa Haddad
Pharmacy Planner/Reviewer/Editor: Mark Pellegrini
Physician Planner/Reviewer/Editor: Scott Dulebohn
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Quillen College of Medicine, East Tennessee State University designates this activity for a maximum of 1.00 AMA PRA Category 1 CreditsTM. Physicians should only claim credit commensurate with the extent of their participation in the activity.
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