41 results
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy - Casts ... Acellular Casts ... • Hyaline Casts ... Cellular Casts: ... suggestive of interstitial
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... to Acute Interstitial ... sterile pyuria, WBC casts ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
pattern includes abnormalities ... Emphysema - Lung cysts ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
proteinuria on UA) - Interstitial ... white blood cell casts ... renal tubular cell casts ... or pigmented casts ... treating underlying cause
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Epithelial cell casts ... Obstruction • Cast ... polyangiitis) Acute Interstitial ... #Causes
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
imaging findings in interstitial ... whether there is interstitial ... When the cysts have ... seen and in many cases ... #Differential #RadiologyAssistant
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Differential Diagnosis Algorithm ... Hypertension Interstitial ... Sterile pyuria, WBC casts ... Differential #Diagnosis #Algorithm
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Limitation • Interstitial ... • Chest Wall Abnormalities ... #Causes #Pulmonary
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria (RBC casts ... Syndrome #Comparison #Algorithm
Causes of Hematuria - Differential Diagnosis
Renal:
 - Glomerular - IgA Nephropathy, Thin basement membrane, Alport syndrome,
Causes of Hematuria ... glomerulonephritis - Interstitial ... - Interstitial ... - Structural - Cysts ... Differential #Diagnosis #Causes