harlequin skin reaction

A benign erythema that longitudinally ‘sections’ the prone infant into a pale upper and a vividly flushed lower half—most prominent from forehead to pubis—related to autonomic vascular lability. The harlequin skin reaction is rare and more common in premature or low-birth-weight neonates; like erythema neonatorum, it is a transient vasomotor phenomenon of no clinical significance
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

harlequin skin reaction

Pediatrics A benign erythema that longitudinally 'sections' the prone infant into a pale upper and a vividly flushed lower half–most prominent from forehead to pubis, related to autonomic vascular lability; HSR is rare and more common in premature or LBW neonates; like erythema neonatorum, it is a transient vasomotor phenomenon of no clinical significance
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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