RT Journal A1 Naumann HN T1 POstmortem diagnosis of insulin shock JF Journal of the American Medical Association JO Journal of the American Medical Association YR 1959 FD January 24 VO 169 IS 4 SP 408 OP 408 DO 10.1001/jama.1959.03000210102017 UL http://dx.doi.org/10.1001/jama.1959.03000210102017 AB To the Editor:—  In the article by Birkinshaw and co-workers (Investigations in a Case of Murder by Insulin Poisoning, Brit. M. J.2:463-468 [Aug. 23] 1958) discussed in the Foreign Letters section of The Journal (168:811 [Oct. 11] 1958) detection, identification, and quantitation of insulin were ingeniously achieved in tissue extracts from sites of needle marks in the victim's buttocks. However, in spite of large amounts of insulin in the body of the victim, paradoxically, not hypoglycemia but a hyperglycemia of 210 mg. per 100 ml. was demonstrated about six hours after death. Postmortem chemistry, so far, has been applied mainly as aid in autopsy diagnosis of diabetes mellitus (Hamilton-Patterson and Johnson, J. Path. & Bact. 50:473-482 [May] 1940; Tonge and Wannan, M. J. Australia1:439-447 [April 2] 1949; and Naumann, Am. J. Clin. Path. 20:314-324 [April] 1950) but rarely of insulin shock. Proof of