Concealed conduction

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Concealed Conduction

Concealed conduction (pronunciation: /kənˈsiːld kənˈdʌkʃən/) is a term used in cardiology to describe a phenomenon where an electrical impulse is conducted through a part of the heart but does not result in a visible change on the ECG.

Etymology

The term "concealed conduction" is derived from the Latin words "concelare" meaning "to hide" and "conductio" meaning "to lead or guide". It was first used in the medical field in the early 20th century.

Definition

Concealed conduction refers to the transmission of an electrical impulse through a part of the heart, such as the AV node or the Purkinje fibers, without producing a visible change on the ECG. This can occur due to various reasons, including the presence of refractory periods, heart blocks, or arrhythmias.

Related Terms

  • Electrocardiogram: A test that measures the electrical activity of the heart.
  • Atrioventricular node: A part of the heart that delays the electrical signal before it enters the ventricles.
  • Purkinje fibers: Specialized muscle fibers that conduct electrical impulses in the heart.
  • Refractory period (physiology): The period of time during which a cell is unable to respond to a stimulus.
  • Heart block: A condition where the electrical signals in the heart are partially or completely blocked.
  • Arrhythmia: A condition where the heart beats irregularly, too fast, or too slow.

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