125 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... Losses Non-renal ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Hyperkalemia - Differential ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia #Nephrology ... #Differential #
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... • IV Fluids Shift ... potassium intracellularly ... (if preserved renal ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... potassium excretion ... • Acute renal ... Diagnosis #algorithm #nephrology ... #potassium #differential
Causes of Hyperkalemia

Hyperkalemia is caused by excess potassium intake, impaired potassium excretion, or transcellular shifts. The
caused by excess potassium ... transcellular shifts ... with impaired renal ... and underlying renal ... #Hyperkalemia #Differential
Hypokalemia Differential Diagnosis Algorithm using Urine Potassium to Creatinine Ratio

#Hypokalemia #Differential #Diagnosis #Algorithm #Potassium #Creatinine #Ratio
Hypokalemia Differential ... Algorithm using Urine Potassium ... #Hypokalemia #Differential ... Diagnosis #Algorithm #Potassium ... Creatinine #Ratio #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... Intracellular Shift ... #hyperkalemia #differential ... #high #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... Redistribution/ Shift ... bone syndrome • Renal ... Hypophosphatemia #Differential ... Algorithm #causes #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
intake, Gl loss, shift ... cells FEMg >4% = renal ... magnesium loss if renal ... Hypomagnesemia #algorithm #differential ... diagnosis #causes #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Hypokalemia - Differential ... Transcellular Shift ... #Hypokalemia #Differential ... Algorithm #causes #potassium