83 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... of UTI, urine WBCs ... (proteinuria, RBC ... if cause not identified ... uw_IMresidency #Hematuria #Diagnosis
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
and Differential Diagnosis ... dysmorphic RBC’s, RBC ... /WBC casts, proteinuria ... neck, prostatic) #Diagnosis ... #EM #IM #Urology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... urine sediment - WBC ... /RBC casts ... #Proteinuria #Nephrology ... #Differential #Diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... castsDiagnostic ... #Differential #Diagnosis ... #causes #urology ... #nephrology #renal
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... decreased PLT count: CBC ... (CVID, WAS), (neurologic ... disease), HBsAg/anti-HBc ... #Differential #Diagnosis
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... - Differential Diagnosis ... TB, parasitic, complications ... #Differential #Diagnosis ... #Algorithm #Causes
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
- Differential Diagnosis ... Disorders, Metabolic, Neurologic ... #Differential #Diagnosis ... Anesthesiology #Causes ... #complications
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Acellular Casts ... : • RBC Casts - ... glomerulonephritis • WBC ... Urine #Microscopy #nephrology ... interpretation #diagnosis
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
involved in >50% of cases ... clarity, >50000 WBC ... S.A. can also be caused ... SepticArthritis #pathophysiology ... #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... you confirmed diagnosis ... microscopy for WBCs ... simplified #workup #diagnosis ... #nephrology