14 results
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Diagnosis - Impaired ... Excretion vs Redistribution ... Impaired Urinary Excretion ... Rhabdomyolysis Medications ... #Table
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... renal potassium excretion ... • Drugs • Diabetic ... Normal, Renin High ... #Diagnosis #algorithm
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... Water Central Diabetes ... in kidneys) - Medications ... - Chronic hypokalemia ... #Table #Causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... (Uncontrolled diabetes ... Impaired Renal Excretion ... Medications 2.
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... (Uncontrolled diabetes ... Impaired Renal Excretion ... Medications 2.
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... - Hypokalemia ... - Uncontrolled diabetes ... #Differential #Diagnosis ... Low #Magnesium #Table
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
- Differential Diagnosis ... Primary - Under-excretion ... Drug-induced • High ... Hyperparathyroidism • Diabetic ... Sarcoidosis • Hypercalcemia
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes of High-anion ... Ketoacidosis: Diabetic ... ketosis with ketone excretion ... #differential #diagnosis
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
- Differential Diagnosis ... hyperosmolality - Medications ... Decreased Urinary Excretion ... #Differential #Diagnosis ... Causes #potassium #high
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
disequilibrium syndrome • Diagnosis ... Loop Diuretics; High-Ceiling ... Hyponatremia • Hypercalcemia ... #Pharmacology #Medications ... #Table