20 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
potassium excretion ... • Acute renal ... Drugs • PHA type ... l/type 2 • Type ... Diagnosis #algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... Low intake • Metabolic ... loss (Diarrhea) Renal ... Algorithm #causes #potassium ... #low #nephrology
Renal tubular acidosis (RTA): refers to a group of conditions all of which cause the same
Renal tubular acidosis ... end result: a metabolic ... few different types ... Features #Table #Comparison
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Causes of Metabolic ... villous adenomas • Renal ... dehydrogenase type ... depletion (serum potassium ... <2 mmol/L) #Metabolic
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 ... Failure • SLE • Type ... diagnosis #causes #potassium ... #high #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 ... Pressure: - Metabolic ... #differential #potassium ... #nephrology #low
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Recent IV potassium ... infusions) - Metabolic ... Failure • SLE • Type ... diagnosis #causes #potassium ... #high #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... hypokalemia • Renal ... tubular acidosis (type ... algorithm #causes #nephrology ... #potassium
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Acidosis (RTA): Type ... low/normal Type ... low/normal Type ... NonAnionGap #Acidosis #Metabolic ... Diagnosis #Workup #nephrology