56 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
: Red/Dark urine ... clots ➔ Lower Urinary ... Upper and Lower urinary ... causes #urology #nephrology ... #renal #urine #
Kidney stone type, corresponding urine sediment, urinary risk factors, and associated clinical settings.
#Diagnosis #Nephrology #Urine #Microscopy
Kidney stone type ... corresponding urine ... sediment, urinary ... #Diagnosis #Nephrology ... #Urinary #Kidney
Hematuria in Post-Renal Transplant Patient
Prevalence up to 12% in the postrenal transplant patient
 • Bacterial: Escherichia
Hematuria in Post-Renal ... carcinoma (native kidney ... TheIDtrivia #Hematuria ... #blood #urine # ... management #treatment #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... Algorithm • Confirm hematuria ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... microscopy / urinary ... calcium Optional: urinary ... imaging #Acute #Kidney ... Differential #Diagnosis #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Water Diuresis (Urine ... 100 mOsm/kg) • Primary ... Relief of prolonged urinary ... Dl • Chronic Renal ... Algorithm #causes #nephrology
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
Renal Tubular Acidosis ... = Hyperkalemic Renal ... Pseudohypoaldosteronism, Urinary ... Tubulointerstitial injury: Urinary ... Diagnosis #Algorithm #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... serum magnesium x urine ... intake, Gl loss, shift ... cells FEMg >4% = renal ... diagnosis #causes #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Recovery from Acute Renal ... Deprivation Test • Primary ... >50% - Proper kidney ... - Unresponsive Kidney ... #Polyuria #Nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
and concentrated urine ... broad - Advanced kidney ... tubulointerstitial nephritis, renal ... edgarvlermamd - Nephrology ... Microscopy #Diagnosis #Nephrology