58 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... • Confirm hematuria ... if cause not identified ... #Diagnosis #Algorithm
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: Red/Dark urine ... 1ml blood/liter urine ... more RBC/HPF spun urine ... examination of urine ... #urology #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sensitive) • AKI ... eosinophiluria, microscopic hematuria ... Nephritis #AIN #Algorithm ... #nephrology #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI ... Workup Algorithm ... osmolarity If cause ... #Workup #Algorithm ... #causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... Differential Diagnosis Algorithm ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Nephrology #Causes
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Causes of Metabolic ... Alkalosis - Differential ... Diagnosis Algorithm ... Urine chloride ... diuretic use Urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... and metabolic alkalosis ... Differential #Diagnosis #Algorithm ... #Causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Causes