12 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Step 2. ... administration Step 3. ... • psychogenic polydipsia ... Workup #Algorithm #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... history Step #2 ... Uglucose Step #3 ... #Management #Algorithm ... #Sodium #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Urine Sodium 4) ... #Differential #
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
, Dehydration: neurologic ... water unavailable 2) ... post-obstructive 3) ... Diagnosis #Treatment #management ... #nephrology #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... 2) Is ADH elevated ... #Differential # ... Diagnosis #Treatment #management ... #nephrology #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
occurs in only 2- ... diabetes insipidus Differential ... , Urine Sodium ... #diagnosis #management ... #nephrology
Hyponatremia Diagnostic Algorithm
1) Check serum osmolality
2) Check urine osmolality
3) ADH Dependent - Check volume status, urine
serum osmolality 2) ... urine osmolality 3) ... status, urine sodium ... Diagnosis #Algorithm #differential ... nephrology
DDAVP Clamp Protocol in Hyponatremia
 • Stop any maintenance fluids.
 • Start DDAVP 2 mcg IV
Clamp Protocol in Hyponatremia ... • Start DDAVP 2 ... every 2 hours initially ... Clamp #Protocol #Hyponatremia ... #management #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Basically anything 2. ... hospitalization) 3. ... promoting passive sodium ... SatyaPatelMD #SIADH #Management ... #hyponatremia #
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Framework and Management ... Hyperuricemia • Hyponatremia ... obstruction 3. ... output: 200 ml/hr 3.