11 results
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
- Small vessel vasculitis ... glomerulonephritis ... necrosis (causes ... interstitial nephritis ... #diagnosis #nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - Skin, glomeruli ... Diagnosis: Systemic ... differential #diagnosis ... #rheumatology #classification
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
are seen in acute ... tubulointerstitial nephritis ... tuberculosis Fatty - Nephrotic ... #Differential # ... Microscopy #Diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis ... lupus erythematosus ... diagnosis #nephrology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
central nervous system ... clusters because nephritic ... #diagnosis #glomerular ... #proteinuria #nephrotic ... #syndrome #nephrology
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... • Hepatorenal syndromes ... Drugs • Emboli Systemic ... polyangiitis /microscopic ... Interstitial Nephritis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... (nephrotic-range ... inflammation Cutaneous Vasculitis
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
inhibitors, hepatorenal syndrome ... Secondary GNs: Due to systemic ... Post-infectious GN, Lupus ... Interstitial Nephritis ... Diagnosis #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
, urine microscopy ... and signs • Glomerulonephritis ... / Vasculits: ANCA ... • Interstitial nephritis ... #Diagnosis #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis