Have Vomiting With Blood. Face And Ears Turned Black. Was In ICCU In Hospital. Indication Of Poison?
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Detailed Answer:
I am very sorry about your brother. I hope you can go through all this. Honestly, I dont think there was posioning and it all seems to be natual death caused by cardiorespiratory arrest. After most kind of deaths( cardiac arrest, breathing arrest) skin becomes discolored, first turning pale, then purple, then black. this happens because of hypostasis" or "post-mortem lividity", in which blood collects in the parts of the body and become congested in skin and suncutaneous tissue.
So purple/black color is normal phase of skin discoloration when there is circulation arrest. True, it is seen also in poisoning but I think this is the last thing to think of.
You can insist on autopsy which can reveal the right cause such as cardiac arrest,pulmonary embolism, respiratory arrest or hemorrhage. But now, the past cant be changed and in this time of grief because of your loss, some doubtfulness would only make things worse. Wish you good recovery. Regards