20 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Medications Renal ... Losses Non-renal ... vomiting) • Low ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Algorithm Extra-renal ... intake • Metabolic ... Algorithm #causes #potassium ... #low #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... 90 minutes) • Sodium ... (if preserved renal ... LouLectures #Hyperkalemia ... #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... consumption • Low ... Pressure: - Metabolic ... #nephrology #low
Potassium Binders for Management of Hyperkalemia
 • SPS - Sodium polystyrene sulfonate
 • Patiromer (veltassa)
 •
Potassium Binders ... Management of Hyperkalemia ... • SPS - Sodium ... #pharmacology #table ... #comparison #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... thiazide-sensitive sodium ... alkalosis • Normal or low ... (renal potassium ... Syndrome #diagnosis #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... can be high or low ... Present (Uosm ≥100): Hypovolemia ... differential #diagnosis #table ... #sodium #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Renal acidosis ... Potassium-sparing ... aniongap #NonGap #Metabolic ... diagnosis #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... infusions) - Metabolic ... deficiency • Renal ... diagnosis #causes #potassium ... #high #nephrology
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
Hypokalemia Diagnostic ... Algorithm To assess potassium ... values suggest renal ... Algorithm #TTKG #nephrology ... #low #potassium