What is the test for proving a serious medical need in a civil case?

A medical need is serious "if the failure to treat the prisoner's condition could result in further significant injury or the 'unnecessary and wanton infliction of pain.'" McGuckin, 974 F.2d at 1059 (quoting Estelle, 429 U.S. at 104). Indications of a serious medical need include "the presence of a medical condition that significantly affects an individual's daily activities." Id. at 1059-60. By establishing the existence of a serious medical need, a prisoner satisfies the objective requirement for proving an Eighth Amendment violation. Farmer v. Brennan, 511 U.S. 825, 834 (1994).

If a prisoner establishes the existence of a serious medical need, he must then show that prison officials responded to the serious medical need with deliberate indifference. Farmer, 511 U.S. at 834. In general, deliberate indifference may be shown when prison officials deny, delay, or intentionally interfere with medical treatment, or may be shown by the way in which prison officials provide medical care. Hutchinson v. United States, 838 F.2d 390, 393-94 (9th Cir. 1988). Before it can be said that a prisoner's civil rights have been abridged with regard to medical care, however, "the indifference to his medical needs must be substantial. Mere 'indifference,' 'negligence,' or 'medical malpractice' will not support this cause of action."

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