Fig. 5From: Optimizing integrated imaging service delivery by tier in low-resource health systemsRecommended imaging infrastructure resource strategy by health system tier. Higher levels on the pyramid denote increasing complexity and requirement for more sophisticated and specialized infrastructure. Green arrows indicate added infrastructure required at the next highest tier (POCT = Point-of-care testing; IT = Information Technology; PACS = Picture Archiving and Communication system; MRI = Magnetic resonance imaging; EMR = electronic medical record; NM = nuclear medicine; PALM = pathology and laboratory medicine)Back to article page