83 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Transcellular Shift ... • Refeeding syndrome ... Diagnosis #Algorithm #nephrology ... #low #potassium
Causes of Hyperkalemia - Differential Diagnosis Algorithm
 • Increased Intake
 • Reduced Excretion (IV potassium with
Causes of Hyperkalemia ... - Differential ... Excretion (IV potassium ... Transcellular Shift ... #Hyperkalemia #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... • HTN, High Aldosterone ... Diagnosis #Algorithm #causes ... #potassium #low ... #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis
Chloride depletion syndromes
 • Gastrointestinal losses
    -
Alkalosis - Differential ... chloridorrhea - High-volume ... villous adenomas • Renal ... • Severe potassium ... depletion (serum potassium
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
• Acute renal ... Normal, Renin High ... hypoplasia Aldosterone high ... Diagnosis #algorithm #nephrology ... #potassium #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... gastrointestinal K loss • Renal ... hypokalemia • Renal ... #hypokalemia #differential ... #nephrology #potassium
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... • IV Fluids Shift ... (if preserved renal ... #Hyperkalemia #management ... #potassium #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Redistribution/ Shift ... ), Hungry bone syndrome ... • Renal losses ... Diagnosis #Algorithm #causes ... #nephrology #phosphate
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Intracellular Shift ... - Tumor lysis syndrome ... #diagnosis #causes ... #potassium #high ... #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hypertensive: • High ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium