29 results
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Overfill (Increased renal ... sodium retention ... Syndrome Increased ... syndrome • Cirrhosis ... Syndrome • Allergies
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Diagnosis and Workup ... Repeat the sodium ... liver failure • nephrotic ... syndromerenal ... #Algorithm #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... failure, Cirrhosis, Nephrotic ... syndrome • Urine ... algorithm #diagnosis #sodium ... #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Cerebral salt wasting syndrome ... , Drugs, Syndrome ... UNa > 20: • Acute ... syndrome, Cirrhosis ... Algorithm #Causes #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Euvolemic (Low ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... #Algorithm #nephrology ... #sodium
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... Interstitial nephritis ... Abdominal compartment syndrome ... syndrome: troponin ... Differential #Diagnosis #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
syndrome) Euvolemic ... Stress, Nausea, ... Pulmonary Diseases ... Algorithm #diagnosis #nephrology ... #sodium
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FEPO4 ≥ 5% - Renal ... FGF-23: Fanconi syndrome ... #phosphate #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Tea and Toast Syndrome ... Beer Potomania - Low ... liver failure, nephrotic ... syndrome ... Algorithm #causes #nephrology
Mechanisms of nephron damage in cardiorenal syndrome
 • Increased renal interstitial pressure
 • Hypoperfusion
 • Reduced
in cardiorenal syndrome ... blood flow • ... hypertrophy • Sodium ... #cardiorenal #syndrome ... pathophysiology #nephrology