26 results
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
usually caused by ... Measure urine osmolality ... the underlying cause ... administered (through a peripheral ... #management #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... Hypo-osmolar urine ... osmole intake #Hyponatremia ... Diagnosis #Algorithm #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Cirrhosis • UNa ... @NephroMD #hyponatremia ... differential #algorithm #causes ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Pain/Post-op • Neurologic ... Hypo-osmolar urine ... osmole intake #Hyponatremia ... Diagnosis #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Hypovolemia, UNa ... Cardiac failure #Hyponatremia ... Diagnosis #Algorithm #Causes ... #nephrology
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Hyponatremia - Diagnostic ... Check Uosm and/or Urine ... status and measure UNa ... considered likely, the cause ... DrEricStrong #Hyponatremia
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... 145 mmol/L High Urine ... glucosuria Low Urine ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Carpal Tunnel • Ulnar ... Infection #Peripheral ... Weakness #Sensory #Neurology ... Diagnosis #Algorithm #Causes
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
: • Causes can ... Saline: • If Urine ... osmolality < 538 AND UNa ... SIADH #Management #hyponatremia ... #nephrology #treatment
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... time you have a case ... of hypotonic hyponatremia ... volume-based algorithm Urine ... table #sodium #nephrology