"Fibrillate" is a medical term used to describe an abnormal heart rhythm where the heart beats irregularly and rapidly. The word is spelled as "fɪˈbrɪleɪt" in IPA phonetic transcription. The first syllable is pronounced as "fi" with the "i" being a short vowel sound, followed by the stressed syllable "bril". The ending syllable is "ate" pronounced as a long "a" sound. This spelling of the word highlights the emphasis on the "bril" syllable, which is the most important for understanding the meaning of the word.
Fibrillate is a verb that describes a physiological or mechanical action that involves irregular, uncoordinated, and rapid contractions or movements. It commonly refers to irregular contractions or twitching of muscle fibers, particularly in the heart or skeletal muscles.
In the medical context, fibrillate often describes a specific condition called atrial fibrillation, which is characterized by rapid and chaotic contractions in the atria (the upper chambers) of the heart. This condition disrupts the regular electrical signaling of the heart, leading to an irregular heartbeat, palpitations, chest pain, shortness of breath, and potential complications such as blood clots.
Outside the medical field, fibrillate can also be used to describe irregular or twitching movements in other types of muscle fibers. This can include skeletal muscles, where sudden, uncontrolled contractions may occur, resulting in muscle spasms or tremors.
In a broader sense, fibrillate can be used metaphorically to describe any irregular, chaotic, or disorganized action or movement. This could apply to various domains like nature (such as the fibrillation or quivering of leaves in the wind), technology (such as the erratic movement of a malfunctioning machine), or even human behavior (such as erratic, uncontrolled gestures or speech during extreme emotional states).
Overall, fibrillate conveys the idea of irregular, uncoordinated, and rapid contractions or movements, particularly as seen in the irregular movements of muscle fibers, most often associated with the heart.
1. To make or to become fibrillar. 2. Fibrillated.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "fibrillate" is derived from the Latin term "fibrilla", which means "small fiber" or "little thread". "Fibrilla" is a diminutive of the word "fibra", which means "fiber" in Latin. The suffix "-ate" is commonly added to verbs in English to indicate the action of the verb. Therefore, "fibrillate" essentially means to cause or experience fibrillation, which refers to a rapid and irregular contraction of muscle fibers, particularly in the heart.