11 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... mmol/L - true hyponatremia ... volume loss - diarrhea ... • nephrotic syndrome ... renal failure #Hypernatremia
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Hypernatremia ... Osmotic diuresis (see ... loss • Watery Diarrhea ... Hyperventilation #Hypernatremia
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Differential Diagnosis Algorithm ... losses, Vomiting, Diarrhea ... Cardiac failure #Hyponatremia ... #Causes #nephrology
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypernatremia Classification ... - Hypervolemic hypernatremia ... - Cushing's syndrome ... - Normovolemic hypernatremia ... - Vomiting, Diarrhea
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Hyponatremia: Hyperlipidemia ... TURP Hypotonic Hyponatremia ... Nephropathies, Vomiting, Diarrhea ... Cirrhosis, Nephrotic Syndrome
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
Stevens-Johnson Syndrome ... , asthenia • Neurologic ... Nausea, vomiting, diarrhea ... , hyponatremia,
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... normal volume-based algorithm ... Cirrhosis, Nephrotic syndrome ... Physiologic #Hypotonic #Hyponatremia
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... Chloride #urine #Algorithm
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... arrythmias • Other: Diarrhea ... /constipation, hyponatremia ... Miller Fisher Syndrome ... management #treatment #neurology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... evaluating hypokalemia is ... Laxative use • Diarrhea ... Hypokalemia #diagnosis #Algorithm ... differential #potassium #nephrology