18 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
deposits - Post-infectious ... Brown urine - Proteinuria ... Bladder Causes ... • Infection (Viral ... #urology #nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
syndrome—due to GBM ... hematuria. ... RBC casts in urine ... Proteinuria often ... #Nephrology #Diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... proliferative • Anti-GBM ... HSP • Post-infectious ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
of Macroscopic Hematuria ... suggests calculi/infection ... RBC’s, RBC/WBC casts ... , proteinuria suggest ... prostatic) #Diagnosis #EM
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... ) • Anti-GBM ... nephrotic range) proteinuria ... glomerulonephritis • Post-Infectious ... Diagnosis #Algorithm #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... splenomegaly Other infections ... multiple lesions Infectious ... differential #diagnosis #causes ... #radiology #neurology
Rapidly Progressive Glomerulonephritis (RPGN) 
 - Loss of kidney function over a short period of tirne
glomerular disease (hematuria ... , proteinuria) ... cryoglobulinemia, post-infectious ... Basement Membrane (GBM ... Differential #Diagnosis #Nephrology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... present in 15% of cases ... Demyelinating disease caused ... effect/Edema • EBV ... InfectiousDiseases #Neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Dyspnea, Fever, Hematuria ... allopurinol), Infection ... • Urinalysis (proteinuria ... anti-ANCA ab, anti-GBM ... differential #diagnosis #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
overt glomerular proteinuria ... Cytomegalovirus; GBM ... Nephrocalcinosis causes ... Hematuria may be ... nephrotic #syndrome #nephrology