Micro 70: Laboratory Diagnosis of Parasitic Disease

Clinical Deep Dives · Mar 2, 2026 · 52m

This episode returns to the laboratory, focusing on the diagnostic principles unique to parasitology. Drawing from Murray’s Chapter 70, it explores how visual identification remains central despite advances in molecular testing.

The narrative begins with stool examination - ova and parasite (O&P) testing - where eggs, larvae, trophozoites, and cysts are identified by size, shape, and internal structures. Concentration techniques enhance sensitivity.

Next, it examines blood smears, critical for diagnosing infections such as malaria and other haemoparasites. Thin and thick films provide…