(May 6, 2007)--The death of a San Antonio man shortly after he was stunned by police with a Taser has been attributed a condition known as excited delirium, which is an overdose of adrenaline, according to the Bexar County chief medical examiner.

Thirty-five-year-old Sergio Galvan was high on cocaine when he died in March after being stunned three times with a Taser, which fires up to 50,000 volts of electricity.

Dr. Randall Frost, the medical examiner, told the San Antonio Express-News that Galvan's manner of death was ruled a homicide.

He says that means there's a likelihood that the struggle with police contributed to death by worsening the delirium.

Frost, who named cocaine as the primary factor that led to Galvan's death, says there's a great deal about excited delirium that's not known.

Excited delirium is described as an overdose of adrenaline often exacerbated by drugs.

A growing number of medical examiners are citing the condition when people die after struggling with police.

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