on the other hand , among about 50 % of the japanese population ethanol ingestion results in elevated blood acetaldehyde levels ( 10-50 microm ) with consequent unpleasant cardiovascular responses such as facial flushing and tachycardia , apparently because of a lack of one of the acetaldehyde-oxidizing aldehyde dehydrogenase isozymes .
C0007226
cardiovascular
C0039231
tachycardia