78 results
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
Causes of Hyperkalemia ... by excess potassium ... with impaired renal ... function, medication ... and underlying renal
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Abdominal Compartment Syndrome ... , Medications Intra-Renal ... Protein) • AIN: Medication ... Differential #Diagnosis #nephrology ... #causes #algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... loss (Diarrhea) Renal ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... villous adenomas • Renal ... administration Other causes ... • Severe potassium ... depletion (serum potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Defining the cause ... gastrointestinal K loss • Renal ... hypokalemia • Renal ... #nephrology #potassium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Causes of Hypomagnesemia ... Familial: Bartter syndrome ... and Gitelman syndrome ... - Acquired: Medications ... #nephrology #magnesium
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Secondary causes ... Hypertension • Medications ... Pseudoephedrine • Primary Renal ... Pseudopheochromocytoma - respond to SSRIs ... Other Endocrine causes
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Thyrotoxicosis Medications ... Renal Losses ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... (steatorrhea) Renal ... osmotic diuresis - Potassium ... Tubulointerstitial renal ... #differential #medications
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... wasting from other causes ... suggests extra-renal ... causes • Laxative ... #nephrology #low