High-yield modules

Lab values and diagnostic tests that change your actions

Typical results, critical values, drug levels and test preparation, with the first action each re‐ sult calls for. A study guide for US nursing students. Covers Reference ranges (clearly labelled "typical; verify your lab") for CBC, chemistry, coagulation, cardiac markers, liver/renal panels, ABG, urinalysis, cultures, drug levels; "critical value" lists and the action chain; test preparation and teaching (NPO, contrast, prep); common pitfalls (hemolysis, timing, fasting)..