Ashman phenomenon
Ashman phenomenon (pronunciation: /ˈæʃmən fəˈnɒmɪnɒn/) is a cardiological concept that describes an aberrant conduction of the heart due to a preceding long RR interval.
Etymology
The term is named after Dr. Gouaux Ashman who, along with Dr. Samuel B. Levine, first described the phenomenon in 1947.
Definition
Ashman phenomenon is a type of arrhythmia that occurs when there is a sudden change in the heart's rhythm, specifically when a long RR interval is followed by a shorter one. This can lead to a premature ventricular contraction that is aberrantly conducted.
Clinical Significance
Ashman phenomenon is often seen in patients with atrial fibrillation, but it can also occur in other types of cardiac arrhythmias. It is important to recognize this phenomenon as it can mimic more serious conditions such as ventricular tachycardia.
Related Terms
See Also
External links
- Medical encyclopedia article on Ashman phenomenon
- Wikipedia's article - Ashman phenomenon
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