15 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... renal mechanism 2) ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... concentrating defect ... insipidus • Nephrogenic ... #Causes #nephrology ... #sodium #high
Hypernatremia Diagnosis and Workup

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

Step #1 - Consider the history
Step #2 - Assess
Diagnosis Algorithm ... Diabetes Insipidus Workup ... history Step #2 ... Management #Algorithm #Sodium ... #nephrology #insipidus
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects ... of epithelial sodium ... #Kidney #Nephrology ... #Diagnosis #Differential ... #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Differential Diagnosis ... Insensible losses Sodium ... in kidneys) - Medications ... #Table #Causes
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
, Anaphylaxis, Neurogenic ... Disease, Mechanical Defect ... Pulmonary embolism 2) ... #inopressors #diagnosis ... management #comparison #table
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Differential Diagnosis ... water unavailable 2) ... Diabetes Insipidus: neurogenic ... Treatment #management #nephrology ... #sodium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... 3 questions to work ... 2) Is ADH elevated ... Treatment #management #nephrology ... #sodium
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
Post-operative phenomenon, Medications ... Basically anything 2. ... promoting passive sodium ... SIADH #Management #hyponatremia ... #nephrology #treatment