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“While recovering from the transplant, he contracted a bile duct infection, which led to hemodialysis to filter out the toxins in his body.”

He had preexisting health conditions that may have contributed to his death, including high blood pressure and chronic renal failure requiring hemodialysis.

Conditions such as hypertension and diabetes can compromise this vital function, leading to a kidney failure -- irreversible condition necessitating lifelong treatment through artificial hemodialysis or donor kidney transplantation.

In his mind, he was far from the nondescript clinic in Orange, Calif., where he was sitting quietly, his blood traveling through a hemodialysis machine, clearing it of toxins.

He couldn’t get emergency hemodialysis, a treatment that helps filter his blood.