Snapshot A 26-year-old woman presents to the emergency room for large amounts of watery, nonbloody diarrhea, abdominal cramping, and lots of flatulence. She was trying to hydrate with water and sports drinks; however, she started feeling lightheaded and was brought to the hospital for treatment. She recently did a 5-day hike in Patagonia in South America. On physical exam, she demonstrated signs of dehydration but otherwise has no significant findings. Stool studies are sent and return with cysts on microscopy. (Giardia lamblia infection) Introduction Protozoa login to view 1 more bullet Infections of Protozoa Central Nervous System Gastrointestinal Visceral Infections Hematologic Infections Sexually Transmitted Diseases Toxoplasma gondii Naegleria fowleri Trypanosoma brucei Acanthamoeba Giardia lamblia Entamoeba histolytica Cryptosporidium Trypanosoma cruzi Leishmania donovani Plasmodium Babesia Trichomonas vaginalis Giardia lamblia Introduction login to view 15 more bullets Presentation login to view 4 more bullets Studies login to view 4 more bullets Treatment login to view 5 more bullets Entamoeba histolytica Introduction login to view 12 more bullets Presentation login to view 4 more bullets Imaging login to view 2 more bullets Studies login to view 7 more bullets Treatment login to view 6 more bullets Cryptosporidium Introduction login to view 10 more bullets Presentation login to view 6 more bullets Studies login to view 3 more bullets Treatment login to view 2 more bullets Microsporidium Introduction login to view 8 more bullets Presentation login to view 4 more bullets Studies login to view 4 more bullets Treatment login to view 4 more bullets