10 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... colored compounds (e.g ... heme, bilirubin, etc ... #nephrology #interpretation ... #diagnosis
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
require urgent nephrology ... PROBLEM ~80% of AKI cases ... Assess UA w/ microscopy ... for WBCs, RBCs, casts ... #nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
RBC casts in urine ... but in severe cases ... Nephrotic #Syndromes #Classification ... #Proteinuria #Nephrology ... #Diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... sediment - WBC/RBC casts ... polyangiitis (GPA) / microscopic ... Protein deposition (eg ... #Proteinuria #Nephrology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... vasculitis - GPA, EGPA, microscopic ... #types #classification ... #rheumatology #
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Management Summary Causes ... Herpes, Coxsackie, etc ... Cast formation: ... #treatment #nephrology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Syndrome (SPS) - Diagnosis ... Prevalence: 1-2 cases ... Person Syndrome - Diagnosis ... autoantibodies - TPO, TTG, etc ... Management #treatment #neurology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
not be subtle e.g ... E.g. 80 yo ESR cutoff ... vision changes, etc ... identifies 85 to 95% of cases ... them, but urgent rheumatology
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
Biopsy to confirm diagnosis ... (short-acting, e.g ... • Refractory cases ... Renal #Crisis #rheumatology ... #nephrology #diagnosis
6/02/2022 UPDATE: This assay is designed to detect non-variola orthopoxviruses, including monkeypox virus. It is not
2022-lab-advisory-CLARIFICATION-CDC_Publishes_Non-variola_Orthopoxvirus_PCR_Testing_Procedure ... See table below ... Although electron microscopy ... Staining Electron Microscope ... all HIGH RISK CASES