A quantity sample type that measures the user’s peripheral perfusion index.
SDKs
- iOS 8.0+
- Mac Catalyst 13.0+
- watchOS 2.0+
Framework
- Health
Kit
Declaration
static let peripheralPerfusionIndex: HKQuantity Type Identifier
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 HKStatistics
).