Where does this definition of sinus arrhythmia come from?
This entry for sinus arrhythmia is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Does sinus arrhythmia appear elsewhere on Lughet?
Yes — sinus arrhythmia appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.