14 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Sodium 4) Serum ... Uric Acid - Low ... High Uric Acid → renal ... #nephrology #sodium ... #low #uricacid
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium and serum ... sodium low, uric ... uric acid low in ... #Diagnosis #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Hypervolemic, Serum ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... • Euvolemic (Low ... Diabetes insipidus (central ... #nephrology #sodium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
magnesium x serum ... magnesium x urine ... Hypomagnesemia #algorithm ... diagnosis #causes #nephrology ... #magnesium #low
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
free water loss, Serum ... Sodium >145 mmol ... mannitol, glucosuria Low ... Urine Osmolality ... Hypernatremia #Nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Differential Diagnosis Algorithm ... Osmolality > Serum ... Recovery from Acute Renal ... response • Central ... #Polyuria #Nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... ultrasonography, serum ... investigations depending on clinical ... #AKI #Workup #Algorithm ... Differential #Diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Sodium loss (diuretics ... can be high or low ... #nephrology
Age Related Macular Degeneration: Pathogenesis and clinical findings

Photoreceptor atrophy 
-> Extracellular debris (drusen) from RPE atrophy/metabolism
Pathogenesis and clinical ... reduces blood flow ... blood vessels leak serous ... - Distorted central ... blind spots in central