2312 results
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
Hyponatremia - Differential ... edema and urine concentration ... #Hyponatremia #Differential
Water Deprivation Test - Differential Diagnosis of Diabetes Insipidus (DI)
Concept of WDT: endogenous vasopressin secretion is
Deprivation Test - Differential ... indirectly as urinary concentration ... Deprivation #Test #Differential
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
Diagnostic Approach and Differential ... Cell count and differential ... total protein concentration ... perforation), glucose concentration ... Ascites #workup #Differential
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
The differential ... corpuscular hemoglobin concentration ... Elevated #MCHC #Differential
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Hypernatremia - Differential ... perspiration Renal concentrating ... Hypernatremia #Differential
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
hyaluronic acid concentrations ... 50,000 #Diagnosis #Differential
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... urine chloride concentration ... urine chloride concentration ... urine chloride concentration ... Metabolic #Alkalosis #Differential
Sickle Cell Disease (SCD) Nephropathy
 • Cortical Manifestations
    - Main issue: Hemolysis-associated endothelial
- Impaired concentrating ... Nephropathy #diagnosis #differential
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash - Differential ... Very low concentrations ... #dermatology #Differential
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Increased urea concentration ... Polyuria #Nephrology #Differential