26 results
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... addition) of volume status ... sodium low, uric ... and uric acid low ... #Diagnosis #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) ... Check Urine Osmolality ... mechanism 2) Volume Status ... • Euvolemic (Low ... #Algorithm #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Assess volume status ... • nephrotic syndrome ... #Diagnosis #Workup ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Hypo-osmolar urine ... #Nephrology #Differential ... #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Syndrome of Inappropriate ... Hypo-osmolar urine ... #Nephrology #Differential ... #Causes
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Hypothyroidism, Low ... Cirrhosis, Nephrotic syndrome ... #algorithm #diagnosis ... #sodium #low #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... mannitol, glucosuria Low ... Urine Osmolality ... #Nephrology #Differential ... #Causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... vasoconstriction syndrome ... Hyperglycemia, Hyponatremia ... #Causes #neurology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Measure urine osmolality ... demyelination syndrome ... of symptomatic (seizures ... Treatment #management #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... Urine Cl-: Vomiting ... (late) • High Urine ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes