Introduction
Chest pain, primary complaint, coronary heart disease
CORONARY HEART DISEASE
Chest pain is the primary complaint in 10% of patient visits in the emergency department (Plesner et al., Metabolomic phenotyping, or metabolomics for short, is the measurement of dynamic responses of a living system and can give unique insight into biological systems (Nicholson et al., There have already been promising results for metabolomics in the cardiovascular field. A large study of metabolites in the blood of healthy adults found that the concentration of phosphatidylcholines had a strong inverse association to risk of coronary heart disease over multiple years of follow-up (Cavus et al., In a recent study (Árnadóttir et al., 