FASCICULAR BLOCK Meaning and
Definition
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Fascicular block is a medical condition characterized by the impairment or interruption of electrical conduction in one of the three fascicles or bundles of the His-Purkinje system located in the heart. These fascicles are responsible for transmitting electrical signals from the atrioventricular (AV) node to specific areas of the ventricles, thus facilitating effective and coordinated ventricular contraction that pumps blood efficiently throughout the body.
Fascicular block occurs when there is a blockage or delay in the electrical conduction within one of the fascicles, disrupting the normal propagation of impulses and potentially leading to abnormalities in the heart's rhythm and function. This condition is typically identified through electrocardiogram (ECG) readings, where characteristic patterns of widened QRS complexes and altered axis deviations may be observed.
There are two main types of fascicular block: left anterior fascicular block (LAFB) and left posterior fascicular block (LPFB). LAFB refers to the impairment in the left anterior fascicle, while LPFB involves the left posterior fascicle. Each type has its distinct electrocardiographic features and clinical implications.
Fascicular block may be asymptomatic or can manifest with symptoms such as palpitations, dizziness, fatigue, or, in severe cases, congestive heart failure. Treatment of fascicular block predominantly depends on the presence of symptoms and the underlying cause. In some instances, medication or the insertion of a cardiac device, such as a pacemaker, may be recommended to manage the electrical conduction abnormality and prevent further complications.
Common Misspellings for FASCICULAR BLOCK
- dascicular block
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- gascicular block
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- fzscicular block
- fsscicular block
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- fasxicular block
- fasvicular block
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- fasdicular block
Etymology of FASCICULAR BLOCK
The term "Fascicular Block" is derived from the combination of two words: "Fascicular" and "Block".
1. Fascicular: The word "fascicular" comes from the Latin word "fasciculus", which means a small bundle or cluster. It is derived from "fascis", which means a bundle of rods or sticks tied together in ancient Rome and symbolized authority or power. In medical terminology, "fascicular" refers to a specific area of a nerve, muscle, or organ that is composed of bundled fibers or cells.
2. Block: The word "block" in this context has a broader meaning of obstruction or impairment of the normal conduction or flow of something. In medical terminology, "block" often refers to a condition where the normal electrical conduction in the heart is disrupted, leading to an abnormal heart rhythm or inadequate pumping of blood.
