34 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
- Acute and chronic ... Glucocorticoid deficit - Hypokalemia ... Drugs - SIADH Renal ... deficit - Salt-losing ... #Table #Causes
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... hypercalcemia ... - Chronic hypokalemia ... - Various renal ... #Table #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... deficiency, Salt-losing ... : • Acute or chronic ... Hypervolemia, UNa
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... - Hypokalemia ... #Differential #Diagnosis ... Low #Magnesium #Table ... Classification #Causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Metabolic • Renal ... Liver Failure • Hypercalcemia ... Obstructive Pulmonary ... Myasthenia Gravis Pharmacologic
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
failure (acute and chronic ... Renal acidosis ... Chronic progressive ... ACE-Is and ARBs ... #differential #diagnosis
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Clenching of fist during ... trauma - Ischemic colonic ... #differential #diagnosis ... #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... Clenching of fist during ... trauma - Ischemic colonic ... #differential #diagnosis ... #causes #potassium
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... hyperphosphatemia, hypercalcemia ... , and possibly renal ... not caused by granulomas ... but stable or chronic
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Torsemide) • Acute pulmonary ... Hyponatremia • Hypercalcemia ... Kidney stones caused ... #Medications #Table