27 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Syndrome • HTN, High ... Loop and thiazide diuretics ... Algorithm #causes #potassium ... #low #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Renal failure (acute ... Potassium-sparing ... diuretics (amiloride ... diagnosis #causes #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... excretion • Acute ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... Fluids Shift potassium ... function) - Loop diuretic ... LouLectures #Hyperkalemia ... #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
K+: • Tissue injury ... • Metabolic acidosis ... glycosides • High ... acute iatrogenic ... blockers - MCW Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Trauma/Crush injury ... • K sparing diuretics ... - Metabolic acidosis ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • Trauma/Crush injury ... • K sparing diuretics ... - Metabolic acidosis ... #high #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Renal losses, Diuretic ... with renal tubal acidosis ... Ketonuria, Osmotic diuresis ... UNa > 20: • Acute ... Algorithm #Causes #nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... Renal tubular acidosis ... Hypomagnesemia, Acute ... differential #diagnosis #nephrology
KDIGO Treatment algorithm for management of acute hyperkalemia in the emergency department
 • Place on cardiac
KDIGO Treatment ... management of acute ... bicarbonate if acidosis ... #potassium #high ... #nephrology #KDIGO