216 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... Diuretics • Osmotic ... Differential #Diagnosis #Causes ... #nephrology #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... water loss, Serum Sodium ... administration • Osmotic ... Diagnosis #Algorithm #Causes
Drugs that Cause Fever
Most commonly:
Amphotericin B, Antihistamines, Asparaginase, Barbiturates, Bleomycin sulfate, Methyldopa, Penicillins, Phenytoin sodium, Procainamide,
Drugs that Cause ... Penicillins, Phenytoin sodium ... Nitrofurantoin sodium ... #Drug #Fever #causes
Pharmacologic Management of Constipation 
Fiber Laxatives
 - Bran powder
 - Psyllium
 - Methylcellulose
 - Calcium polycarbophil
Surfactants - Docusate sodium ... - Mineral oil Osmotic ... Tap water - Sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Treat underlying cause ... : • Causes can ... administered • Can cause ... daily • Induces osmotic ... promoting passive sodium
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... the total body sodium ... among the possible causes ... in blood urea causes ... released without an osmotic
Diarrhea - Differential Diagnosis Algorithm
Inflammatory
    - Invasive Infections
    - Non-Infections
Watery
Non-Infections Watery - Osmotic ... Diagnosis #Algorithm #causes
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
aldosterone Causes ... : Most Common Causes ... PRA • ↓ Serum sodium ... ACTH • ↓ Serum sodium ... tests: - Check sodium
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
Amyl nitrite - causes ... binds cyanide - Sodium
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Composition of LR: • Sodium ... 109 mEq/L • Sodium ... K - 4 mEq • Sodium ... shift • Saline Causes ... • Saline May Cause