98 results
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
urinalysis, labs - Management ... white blood cell casts ... renal tubular cell casts ... or pigmented casts ... renal biopsy - Management
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... Differential Diagnosis Algorithm ... Unicameral Bone Cysts ... Aneurysmal Bone Cysts ... #Orthopedics #Causes
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
or air-filled lesions ... Emphysema - Lung cysts ... Diagnosis #Radiology #Pulmonary ... TractionBronchiectasis #Cysts
Once incidentalomas are detected, appropriate management is dependent on an informed patient's wishes and the clinical
detected, appropriate management ... Worrisome pulmonary ... for pancreatic cysts ... benign ovarian cysts ... Ovarian cysts with
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Differential Diagnosis Algorithm ... / Erythematous lesions ... Comedones +/- nodules, cysts ... Differential #Diagnosis #Algorithm ... #causes
Mediastinal Mass - Differential Diagnosis
Anterior Mediastinal Mass:
 • Thymus (Thymoma, carcinoma, hyperplasia, cyst)
 • Lymphoma
 •
• Bronchogenic cysts ... , Pericardial Cysts ... Tumors • Vascular Mases ... Thoracic spine lesions ... Differential #Diagnosis #pulmonary
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Differential Diagnosis Algorithm ... Epithelial cell casts ... Obstruction • Cast ... Differential #Diagnosis #Algorithm ... #Causes
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
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... RBC’s, RBC/WBC casts ... #Differential #Algorithm