36 results
Babesia spp. on Peripheral Blood Smear Microscopy
 - Multiple small parasites per RBC
 - "maltese cross"
on Peripheral Blood ... Smear Microscopy ... parasitemia Rich Davis ... Babesia #clinical #microscopy ... microbiology #peripheral #blood
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... surrounding white blood ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Abiotrophia defectiva on Blood Culture and Microscopy
 - only growing on Chocolate Agar
 - Gram pos
Abiotrophia defectiva on Blood ... Culture and Microscopy ... Rich Davis, PhD, ... defectiva #clinical #microscopy
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... heme-granular casts ... disease Red blood ... Glomerulonephritis White blood ... #Differential #Microscopy
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Plasmodium Falciparum Blood ... human malaria cases ... P.f. but rare in blood ... Rich Davis, PhD, ... peripheral #clinical #microscopy
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... RBCs and/or RBC casts ... with polyangiitis/microscopic
Plasmodium Falciparum Gametocytes on Blood Smear.

Banana-shaped gametocytes are only seen in Plasmodium falciparum but rare in
Gametocytes on Blood ... falciparum but rare in blood ... Rich Davis, PhD, ... Plasmodium #Falciparum #Blood ... peripheral #clinical #microscopy
A Pediculus humanus (louse) nymph. 
Specimen was alive and in the video you can actually see
actually see the blood ... Rich Davis, PhD, ... lice #clinical #microscopy
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... Epithelial cell casts ... Obstruction • Cast ... polyangiitis /microscopic ... Differential #Diagnosis #Algorithm