All plants are producers, or autotrophs, which means they create their energy (or food) through a process called photosynthesis. In this lesson, we characterize producers by 3 main traits: producers make their own food; producers cannot physically move; and producers provide food and shelter for animals.
The Emergency Severity Index (ESI) is a five-level tool for use in emergency department (ED) triage. Experienced ED nurses use the ESI to rate patient acuity, from level 1 (most urgent) to level 5 (least resource intensive). The ESI is unique among triage tools, by including both acuity and resource needs in the system of categorizing ED patients.
The ESR is a nonspecific test that is often used as a screening test for patients with unexplained fevers, certain types of arthritis, muscle symptoms, or other vague symptoms of unknown origin. Significant specific indications for ESR testing include the following: Diagnosis and monitoring of giant cell arteritis Diagnosis and monitoring of polymyalgia rheumatic