A 1-year-old girl developed a capillary pulse after a mosquito bite. After listening to the child's heart for the second time, a diagnosis of patent ductus arteriosus was made.
HOLDEN JD, JONES RC, AKERS WA. Patent Ductus Arteriosus: Diagnosed by a Mosquito Bite or the Cutis Quincke. Arch Dermatol. 1966;94(6):742. doi:10.1001/archderm.1966.01600300066014
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