Blood Product Observation

class nh_observations.observations.nh_clinical_patient_observation_blood_product(pool, cr)

Represents the action of measuring any of the patient blood components. Usually related to blood transfusions.

product

Parameters:

• selection – specifies the possible values for this field. It is given as either a list of pairs (value, string), or a model method, or a method name.
• selection_add – provides an extension of the selection in the case of an overridden field. It is a list of pairs (value, string).

The attribute selection is mandatory except in the case of related fields or field extensions.

vol

The precision digits are given by the attribute

Parameters:digits – a pair (total, decimal), or a function taking a database cursor and returning a pair (total, decimal)