27 results
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
/nephritic syndromes ... dysmorphic RBCs in urine ... #Syndrome #Comparison ... #Algorithm #Nephrology ... #Diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... GI losses • Renal ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... GI losses • Renal ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Algorithm Hypovolemia ... tubal acidosis and metabolic ... #Algorithm #Causes ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... failure, Cirrhosis, Nephrotic ... syndromeUrine ... #algorithm #diagnosis ... #sodium #low #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... liver failure • nephrotic ... syndromerenal ... #Algorithm #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... Extra-renal Losses ... #Algorithm #causes ... potassium #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... failure, Cirrhosis, Nephrotic ... syndrome - ... #Algorithm #diagnosis ... #sodium #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
: • Hypovolemia ... Syndrome, Chronic ... Renal Failure, ... #diagnosis #causes ... #nephrology #sodium
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Diagnosis Algorithm ... liver failure, nephrotic ... syndrome ... #Algorithm #causes ... #nephrology