The severity of orthopedic intolerance can be graded by its clinical features.
(1) frequency of orthostatic symptoms without orthostatic stressors
(2) frequency of orthostatic symptoms with orthostatic stressors
(3) length of time able to stand
(4) restrictions in activities of daily living (ADL)
Orthostatic stressors may include:
(1) prolonged standing
(2) a meal
(4) heat stress
Frequency Without Stressor
Frequency with Stressor
Time Able to Stand
Restrictions on ADL
occasional or when stressor severe
> 15 minutes
none or minimal
> 5 minutes
>= 1 minute
unable to stand at all or < 1 minute
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Purpose: To grade the severity of orthostatic intolerance.
Specialty: Sports Medicine & Rehabilitation, Neurology
Objective: severity, prognosis, stage, disability and performance
ICD-10: I49.5, I95.1, R55,