22 results
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... Gravity = Density of urine ... Dehydration • SIADH (syndrome ... EricsMedicalLectures/ #Urine ... #differential #nephrology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... May be 10 (eg direct ... #Proteinuria #Nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Abnormally Colored Urine ... Purple: - Purple urine ... bag syndrome (chronically ... AnnKumfer #Colored #Urine ... Differential #Diagnosis #nephrology
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
• Drummond's syndrome ... (blue diaper syndrome ... Bag Syndrome - ... Myoglobinuria, Nutcracker syndrome ... Differential #Diagnosis #nephrology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
• Serotonin syndrome ... Anticholinergic syndrome ... Phaeochromocytoma Neurologic ... Differential #Causes #Anesthesiology ... #Anesthesia #Checklist
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... • Nephrotic syndrome ... Hypo-osmolar urine ... Uosm < 100 mmol/kg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... • Nephrotic syndrome ... Hypo-osmolar urine ... Uosm < 100 mmol/kg
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria (Negative urine ... • Fanconi's syndrome ... Proteinuria (Positive urine ... Protein deposition (eg ... #Proteinuria #Nephrology
Hepatorenal Syndrome Diagnosis
 • ↑ in serum Cr of ≥ 0.3mg/dL above baseline
Hepatorenal Syndrome ... liver disease (e.g ... proteinuria) • ↓ urine ... 2 HRS) • Low urine ... diagnosis #HRS #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) Check Urine ... : > 600 mOsm/kg ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Workup #Algorithm #nephrology