32 results
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Algorithm Hypovolemic ... cirrhosis, nephrotic syndrome ... Stress, Nausea, Pulmonary ... #Algorithm #diagnosis ... #nephrology #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #Algorithm ... #diagnosis #sodium ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... , Cushing syndrome ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Algorithm Syndrome ... • Drugs • Pulmonary ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... • nephrotic syndrome ... #Workup #Algorithm ... #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... Algorithm ADH ... Tea and Toast Syndrome ... Responds briskly to IV ... #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cirrhosis, Nephrotic syndrome ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Algorithm Appropriately ... hormonal therapy, IV ... #Differential #Diagnosis ... #Algorithm #nephrology
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
- Differential Diagnosis ... Algorithm No Objective ... Weakness • Cardio-pulmonary ... Lambert-Eaton Myasthenic Syndrome ... #Algorithm #Causes