26 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... can be either infectious ... or non-infectious ... #Urine #Microscopy
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... deposits - Post-infectious ... hematuria: - RBC casts ... Hematuria: • Infection ... #Hematuria #Differential
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
Urinary Casts and ... breakdown of cellular casts ... heme-granular casts ... 34t5DgJ #Urinary #Casts ... Microscopy #Diagnosis
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Causes of Dysuria ... - Differential ... Leukocytes on Dipstick/Microscopy ... Pyelonephritis - WBC Casts ... Leukocytes on Dipstick/Microscopy
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... cells on urine microscopy ... RBCs and/or RBC casts ... with polyangiitis/microscopic ... glomerulonephritis • Post-Infectious
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... • Hepatorenal syndromes ... Epithelial cell casts ... polyangiitis /microscopic ... allopurinol, PPI) • Infections
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... • Fanconi's syndrome ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... HSP • Post-infectious
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential ... Pulmonary Vasculitis Infection ... Goodpasture's Syndrome ... polyangiitis / microscopic
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Breast, Testicle) Infection ... Septic Embolism • Parasitic ... polyangiitis (GPA) / microscopic ... Diagnosis #Algorithm #Causes
Causes of Intestinal Obstruction - Differential Diagnosis
Lesions Extrinsic to the Intestinal Wall:
 • Adhesions: Postoperative, Congenital,
Causes of Intestinal ... Obstruction - Differential ... mesenteric artery syndrome ... Eosinophilic granuloma • Infections ... , Phytobezoar, Parasite