🧪 Procalcitonin (PCT) Test — A Key Biomarker for Assessing Bacterial Infection Severity Procalcitonin (PCT) is one of the most valuable biomarkers for evaluating severe bacterial infections and sepsis. Because PCT rises relatively quickly in bacterial infections—and remains low in most viral infections—it plays a central role in differentiating infectious etiologies in clinical practice. In…
🧪 Why WBC Can Decrease During Infection — Understanding Margination and Leukocyte Redistribution When we think of infection or inflammation, we typically expect an increase in white blood cell count (WBC), especially neutrophils. Indeed, in most bacterial infections, WBC rises as part of the body’s immune response. However, in real clinical practice, it is not…
Complete Guide to Eosinophil Count｜A Key Marker for Parasite Infection and Allergic Diseases The eosinophil is a subtype of white blood cells that plays a central role in allergic reactions, asthma, and parasitic infections.The Eosinophil Count test is a fundamental hematologic parameter used to evaluate allergic diseases, parasitic infections, and various inflammatory or hematologic disorders….
WBC Differential Count — A Key Hematology Test for Identifying Infection, Inflammation, and Hematologic Disorders The WBC Differential Count is an essential component of the Complete Blood Count (CBC), providing both the relative proportion and absolute number of each white blood cell type.This test plays a crucial role in evaluating infections, inflammatory conditions, allergic diseases,…
