168 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... dipstick, urine ... Abdominal compartment syndrome ... syndrome: troponin ... #Differential #Diagnosis
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... disease - Alport syndrome ... pain hematuria syndrome ... - RBC casts → Diagnostic ... #nephrology #renal
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
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Na <20: Extra-renal ... Na >30: Renal losses ... Cirrhosis, Nephrotic syndrome ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... hyperaldosteronism • High PRA: Renal ... #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... hyperaldosteronism • High PRA: Renal ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... WBCs, or urine ... → Urine culture ... for renal biopsy ... uw_IMresidency #Hematuria #Diagnosis
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... dysmorphic RBCs in urine ... Comparison #Algorithm #Nephrology ... #Diagnosis
Evaluation of Secondary Hypertension
 • Primary aldosteronism - PRA, PAC
 • Renal artery stenosis - Renal
- PRA, PAC • Renal ... artery stenosis - Renal ... fT4 • Cushing syndrome ... cortisol. 24-h urine ... Evaluation #workup #diagnosis