Type Property

peripheralPerfusionIndex

A quantity sample type that measures the user’s peripheral perfusion index.

Declaration

static let peripheralPerfusionIndex: HKQuantityTypeIdentifier

Discussion

The peripheral perfusion index measures the pulse strength at the monitoring site. These samples use percent units (described in HKUnit) and measure discrete values (described in HKStatisticsQuery).

See Also

Lab and Test Results

static let bloodAlcoholContent: HKQuantityTypeIdentifier

A quantity sample type that measures the user’s blood alcohol content.

static let bloodGlucose: HKQuantityTypeIdentifier

A quantity sample type that measures the user’s blood glucose level.

static let electrodermalActivity: HKQuantityTypeIdentifier

A quantity sample type that measures electrodermal activity.

static let forcedExpiratoryVolume1: HKQuantityTypeIdentifier

A quantity sample type that measures the amount of air that can be forcibly exhaled from the lungs during the first second of a forced exhalation.

static let forcedVitalCapacity: HKQuantityTypeIdentifier

A quantity sample type that measures the amount of air that can be forcibly exhaled from the lungs after taking the deepest breath possible.

static let inhalerUsage: HKQuantityTypeIdentifier

A quantity sample type that measures the number of puffs the user takes from their inhaler.

static let insulinDelivery: HKQuantityTypeIdentifier

A quantity sample that measures the amount of insulin delivered.

static let numberOfTimesFallen: HKQuantityTypeIdentifier

A quantity sample type that measures the number of times the user has fallen.

static let peakExpiratoryFlowRate: HKQuantityTypeIdentifier

A quantity sample type that measures the user’s maximum flow rate generated during a forceful exhalation.