Impulse

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Impulse (medicine)

Impulse (pronounced: /ˈɪmpʌls/) is a term used in various fields of medicine, including neurology, psychiatry, and cardiology. It generally refers to a sudden, involuntary urge or force causing a particular action or behavior.

Etymology

The term "impulse" originates from the Latin word "impulsus", which means "a push against" or "driven on". It was first used in the English language in the 17th century.

Neurology

In neurology, an impulse is a sudden electrical signal that travels along the nerve fibers. This is also known as a nerve impulse or an action potential. It is the fundamental process in the communication between neurons and the basis of all brain activities.

Psychiatry

In psychiatry, an impulse is a sudden, strong, and unreflective urge or desire to act. Impulse control disorders, such as kleptomania, pyromania, and pathological gambling, are characterized by an inability to resist these impulses.

Cardiology

In cardiology, an impulse refers to the electrical signals that regulate the heart's rhythm. These impulses are generated by the sinoatrial node, also known as the heart's natural pacemaker.

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