Global Variable

HKQuantityTypeIdentifierRespiratoryRate

A quantity sample type that measures the user’s respiratory rate.

Declaration

const HKQuantityTypeIdentifier HKQuantityTypeIdentifierRespiratoryRate;

Discussion

These samples use count/time units (described in HKUnit) and measure discrete values (described in HKStatisticsQuery).

See Also

Vital Signs

HKQuantityTypeIdentifierHeartRate

A quantity sample type that measures the user’s heart rate.

HKCategoryTypeIdentifierLowHeartRateEvent

A category sample type for low heart rate events.

HKCategoryTypeIdentifierHighHeartRateEvent

A category sample type for high heart rate events.

HKCategoryTypeIdentifierIrregularHeartRhythmEvent

A category sample type for irregular heart rhythm events.

HKQuantityTypeIdentifierRestingHeartRate

A quantity sample type that measures the user’s resting heart rate.

HKQuantityTypeIdentifierHeartRateVariabilitySDNN

A quantity sample type that measures the standard deviation of heartbeat intervals.

HKQuantityTypeIdentifierWalkingHeartRateAverage

A quantity sample type that measures the user’s heart rate while walking.

HKDataTypeIdentifierHeartbeatSeries

A series sample containing heartbeat data.

Beta
HKQuantityTypeIdentifierOxygenSaturation

A quantity sample type that measures the user’s oxygen saturation.

HKQuantityTypeIdentifierBodyTemperature

A quantity sample type that measures the user’s body temperature.

HKCorrelationTypeIdentifierBloodPressure

Blood pressure correlation types combine a systolic sample and a diastolic sample into a single blood pressure reading.

HKQuantityTypeIdentifierBloodPressureSystolic

A quantity sample type that measures the user’s systolic blood pressure.

HKQuantityTypeIdentifierBloodPressureDiastolic

A quantity sample type that measures the user’s diastolic blood pressure.

HKQuantityTypeIdentifierVO2Max

A quantity sample that measures the maximal oxygen consumption during incremental exercise.