22 results
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... Succinylcholine • Diabetes ... glycosides • High ... dietary intake • Blood ... blockers - MCW Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... (Uncontrolled diabetes ... insufficiency/Failure • SLE ... differential #diagnosis #causes ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Potassium-rich diet • Blood ... • Drugs • Diabetic ... Normal, Renin High ... Diagnosis #algorithm #nephrology
The Diagnostic Approach to Hyperkalemia
Drugs
 - Amiloride
 - Spironolactone
 - Triamterene
 - Trimethoprim
 - Pentamidine
 -
Diagnostic Approach to Hyperkalemia ... inhibitors Other causes ... transplant - SLE ... High Renin - ... Low Renin - Diabetes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... (Uncontrolled diabetes ... insufficiency/Failure • SLE ... differential #diagnosis #causes ... #nephrology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... autoantibodies that will cause ... thrombosis and/or blood-brain ... Induction Rx: high-dose ... #CNS #neurology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... of High-anion Gap ... Ketoacidosis: Diabetic ... Hypokalemia ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... urinary losses: • High ... Blood Pressure: ... • Low/Normal Blood ... differential #potassium #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Sodium >145 mmol/L High ... Osmotic diuresis (see ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... plateletcount), peripheral blood ... test, ANA (e.g., SLE ... psychiatric changes), high ... #Workup #hematology