14 results
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Tests (PFTs) - Interpretation ... #Pulmonary #FunctionTests ... #PFTs #Interpretation
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... - Casts Acellular ... colored compounds (e.g ... #Urine #Microscopy ... #nephrology #interpretation
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 ... May be 10 (eg direct
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria (Negative urine ... Proteinuria (Positive urine ... albuminuria) - Active urine ... sediment - WBC/RBC casts ... Protein deposition (eg
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... Nephrotoxic drugs (e.g ... PROBLEM ~80% of AKI cases ... IMPROVEMENT If the urine ... for WBCs, RBCs, casts
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
damage: bland urine ... • Bland urine ... (no casts, protein ... • Urine sodium ... essential in all cases
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Anti-GBM antibody • Urine ... : UA, Urine protein ... recent DAN) • EMG ... hematuria, RBC casts
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
serum osmolality, urine ... concentration and urine ... lower than 80% in cases ... Posm >285 mOsm/kg ... increase in the urine
SEPSIS AND SEPTIC SHOCK

DEFINITION AND PATHOPHYSIOLOGY
 • Sepsis: Life-threatening organ dysfunction due to a dysregulated host
• 49 million cases ... bacteria, fungi (e.g ... - Decreased urine ... output < 0.5 ml/kg ... all suspected cases
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
exposed tothe sun (e.g ... hypertension (90% of cases ... gluconeogenesis enzymes (e.g ... ↑ 24-hour urine