36 results
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
failure, Cirrhosis, Nephrotic ... syndrome • Urine ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
syndrome) Euvolemic ... Stress, Nausea, ... Pulmonary Diseases ... #diagnosis #nephrology ... #sodium
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
Differential Diagnosis Algorithm ... Overfill (Increased renal ... sodium retention ... • AKI/CKD • Nephrotic ... Acute Respiratory Distress
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Hypothyroidism, Stress ... , UNa < 20 • Nephrotic ... Differential #Diagnosis #Algorithm ... #Causes #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 ... #causes #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... Cirrhosis • Nephrotic ... #Hyponatremia #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... High Uric Acid → renal ... #nephrology #sodium ... #low #uricacid
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Extra-renal Losses ... loss (Diarrhea) Renal ... Differential #Diagnosis #Algorithm ... #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... liver failure • nephrotic ... syndromerenal ... Diagnosis #Workup #Algorithm ... #Nephrology