16 results
Hyperkalemia - Differential Diagnosis - Impaired Excretion vs Redistribution

Impaired Urinary Excretion 
 - Renal failure
 -
Diagnosis - Impaired ... Impaired Urinary Excretion ... - Renal failure ... Rhabdomyolysis Medications ... #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Uncontrolled diabetes ... #Differential #Diagnosis ... Low #Magnesium #Table ... Causes #Workup #hypomg
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... 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 ... - Various renal ... #Table #Causes
Hyperkalemia - Differential Diagnosis Framework

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

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... (Uncontrolled diabetes ... Excretion: • ... Medications 2.
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... - Insulin (high ... hypomagnesemia #Medications ... #differential #diagnosis ... nephrology #Causes #hypomg
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 Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Correction of diabetic ... (steatorrhea) Renal ... Hypomagnesemia #Causes #diagnosis ... #differential #medications ... #pharmacology #hypomg