Rate: "A certain quantity or amount of one thing considered in relation to a unit of another thing and used as a standard or measure: at the rate of 60 miles an hour." - Dictionary.com This class represents a ratio of some Physical Quantity over a period of time. This class is structurally similar to other Ratio classes (e.g., IntegerRatio), except the denominator is by definition a TimeQuantity.

Attributes
«PQ» TimeQuantity	denominator	"The quantity that divides the numerator in the ratio. The denominator SHALL not be zero." - HL7 V3 This property is by definition a period of time, with the unit almost always one. For example, one hour, one minute, etc.
«PQ» Quantity	numerator	"The quantity that is being divided in the ratio. The default is the integer number 1 (one)." - HL7 V3

 denominator

Public «PQ» TimeQuantity denominator

"The quantity that divides the numerator in the ratio. The denominator SHALL not be zero." - HL7 V3 This property is by definition a period of time, with the unit almost always one. For example, one hour, one minute, etc.

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	«RTO» RateQuantity
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value	(1)
Multiplicity	1
Name	denominator
Name Expression
Namespace	«RTO» RateQuantity
Opposite
Owner	«RTO» RateQuantity
Owning Association
Owning Template Parameter
Qualified Name	FHIM::Datatypes::RateQuantity::denominator
Stereotype
Template Parameter
Type	«PQ» TimeQuantity
Upper	1
Upper Value	(1)
Visibility	Public

 numerator

Public «PQ» Quantity numerator

"The quantity that is being divided in the ratio. The default is the integer number 1 (one)." - HL7 V3

Constraints:

Properties:

Aggregation	None
Alias
Association
Association End
Class	«RTO» RateQuantity
Datatype
Default
Default Value
Is Composite	false
Is Derived	false
Is Derived Union	false
Is Leaf	false
Is Ordered	false
Is Read Only	false
Is Static	false
Is Unique	true
Keywords
Lower	1
Lower Value	(1)
Multiplicity	1
Name	numerator
Name Expression
Namespace	«RTO» RateQuantity
Opposite
Owner	«RTO» RateQuantity
Owning Association
Owning Template Parameter
Qualified Name	FHIM::Datatypes::RateQuantity::numerator
Stereotype
Template Parameter
Type	«PQ» Quantity
Upper	1
Upper Value	(1)
Visibility	Public

• Identifies the speed with which the substance is introduced into the subject. Expressed as a physical (extensive) quantity over elapsed time (e.g., examples are 100 mL/h, 1 g/d, 40 mmol/h, etc.)