Hyperdicrotic is a medical term that describes a heart murmur. The spelling of this word is a bit challenging due to the presence of silent letters. Hypərdaɪkroʊtɪk is the phonetic transcription of this word. The letter "h" in "Hyper" is silent, while the "o" and "i" after "d" are pronounced as "ə" and "ʊ" respectively. The letter "c" in "dicrotic" is silent as well. Mastering the spelling of hyperdicrotic requires understanding its phonetics and etymology.
"Hyperdicrotic" is a term primarily used in relation to the characteristic waveforms observed in arterial pressure recordings that display exaggerated dicrotic notching. The dicrotic notch, which marks the point of aortic valve closure and serves as a physiological indicator, becomes pronounced or accentuated in hyperdicrotic waveforms.
In a typical arterial pressure waveform, the dicrotic notch is a small, downward deflection immediately following the systolic period. This notch is caused by the closure of the aortic valve, which momentarily interrupts the forward flow of blood. In the case of hyperdicrotic waveforms, the dicrotic notch is exaggerated, resulting in a more pronounced vertical dip or dip and rise in the descending limb of the waveform.
The term "hyperdicrotic" is derived from the combination of "hyper," meaning excessive or exaggerated, and "dicrotic," which refers to the normal dicrotic notch present in arterial waveforms. The hyperdicrotic waveform is often seen in medical conditions associated with increased vascular resistance or aortic stiffness, such as aortic valve disease, atherosclerotic diseases, or hypertension.
When analyzing arterial waveform recordings, the presence of hyperdicrotic waveforms can aid in the diagnosis and evaluation of underlying cardiovascular conditions. Additionally, its recognition allows medical professionals to adjust treatment plans accordingly, as targeted interventions may be required to manage the associated pathologies contributing to these waveforms.
Very pronouncedly dicrotic; superdicrotic.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "hyperdicrotic" is derived from the combination of two Greek words: "hyper" meaning "above" or "beyond", and "dicrotism" meaning "double-beat" or "double-pulsation". The word "dicrotism" is further derived from "di-" meaning "two" and "krotos" meaning "sound". Thus, "hyperdicrotic" is used to describe a condition or phenomenon that goes beyond normal dicrotism, where there are two distinct beats or pulses during each heartbeat.