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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long After Death From Cardiac Arrest Would Someone S Fingertips Turn Blue?

How long after death would a peron s fingertips turn blue? My husband was on his CPAp machine and the last reading and use of it was 7:56 am per the cpap company. they said it couyld have continued to stay on even after his cardiac arrest. I noticed his finger tips were blue and curling at 9:40 am when I woke up that morning. I am trying to have some closure. His body was warm to the touch at 9:40 when I called 911 and began CPR but he had no puls. Thank you.
Thu, 20 Aug 2015
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Cardiologist,  's  Response
Turning blue in your husband cases cannot directly predict the time of death as he was on Cpap machine, he have have blue discolouration even when he was alive which is called cyanosis and it's due to Decreased oxygen in circulation, which correlates well with warm extremities when you saw him, what discolouration which occurs after death is called post mortem lividity, that's the bluish discoloration of the dependent parts of the body which starts by 4 hours and reaches max by 6-12 hours. Also it depends on the compliment existing Co morbidities
Regards Dr Priyank Mody
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How Long After Death From Cardiac Arrest Would Someone S Fingertips Turn Blue?

Turning blue in your husband cases cannot directly predict the time of death as he was on Cpap machine, he have have blue discolouration even when he was alive which is called cyanosis and it s due to Decreased oxygen in circulation, which correlates well with warm extremities when you saw him, what discolouration which occurs after death is called post mortem lividity, that s the bluish discoloration of the dependent parts of the body which starts by 4 hours and reaches max by 6-12 hours. Also it depends on the compliment existing Co morbidities Regards Dr Priyank Mody