11 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... Workup Step ... #1 - Consider the ... #Management #Algorithm ... #Sodium #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Euvolemic: Diabetes insipidus ... #Algorithm #nephrology ... #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... 1 . ... Repeat the sodium ... #Diagnosis #Workup ... #Algorithm #Nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... water loss, Serum Sodium ... Polyuria scheme) e.g ... kg • Diabetes Insipidus ... #Nephrology #Differential
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
post-obstructive 3) Diabetes Insipidus ... ([Na] / 140) - 1) ... patient weight (eg ... Diagnosis #Treatment #management ... #nephrology #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... intoxication Initial Workup ... , Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... 1) Is it hypotonic ... Diagnosis #Treatment #management ... #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
, medications, etc ... restriction: • Restrict 1 ... promoting passive sodium ... #hyponatremia # ... nephrology #treatment
DDAVP Clamp Protocol in Hyponatremia
 • Stop any maintenance fluids.
 • Start DDAVP 2 mcg IV
Clamp Protocol in Hyponatremia ... Start DDAVP 2 mcg ... Start 3% NaCl (1- ... Clamp #Protocol #Hyponatremia ... #management #nephrology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Diagnosis and Management ... • Prevalence: 1- ... antibody that works ... others (botox, sodium ... #treatment #neurology