16 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... liver failure • nephrotic ... syndromerenal ... #Diagnosis #Workup ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Hypothyroidism, Stress ... , UNa < 20 • Nephrotic ... Cardiac failure #Hyponatremia ... Algorithm #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 ... #Nephrology #Differential
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 ... #Nephrology #Differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
CHF, cirrhosis, nephrotic ... syndrome) Euvolemic ... Stress, Nausea, ... Pulmonary Diseases ... Algorithm #diagnosis #nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Tea and Toast Syndrome ... liver failure, nephrotic ... syndrome ... 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 ... syndrome • Urine ... SatyaPatelMD #Volume #Hyponatremia ... #sodium #low #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... mOsm/kg - Implies renal ... , Ingestion Renal ... , Cushing syndrome ... #Algorithm #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Interstitial nephritis ... syndrome: troponin ... #Injury #AKI #Workup ... Differential #Diagnosis #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Cushing's syndrome ... Hypodipsia - Renal ... Features #Diagnosis #Comparison ... #Table #Nephrology