484 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Transcellular Shift ... • Refeeding syndrome ... Medications Renal ... Losses Non-renal ... Diagnosis #Algorithm #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Redistribution/ Shift ... ), Hungry bone syndrome ... • Renal losses ... Algorithm #causes #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
Rhabdomyolysis, Tumor lysis syndrome ... Transcellular Shift ... CKD Increased Renal ... Workup #phosphate #nephrology
Cardiorenal Syndrome (CRS) Types
 • Type 1 - Acute CRS: Alteration of renal perfusion is the
Cardiorenal Syndrome ... Alteration of renal ... hemodialysis and fluids shifts ... #Cardiorenal #Syndrome ... Types #cardiology #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Hypokalemia - Shift ... Extrarenal Laxatives - Renal ... pump inhibitor - Renal ... Fanconi syndrome ... differential #diagnosis #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Intercellular Shift ... Transcellular Shift ... - Appropriate renal ... Tumor Lysis Syndrome ... IntercellularShift #Nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Transcellular Shift ... Tumor genesis syndrome ... FEPO4 ≥ 5% - Renal ... FGF-23: Fanconi syndrome ... Workup #phosphate #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Transcellular shift ... • Refeeding syndrome ... / Gittelman's syndrome ... aldosterone • Renal ... #Hypokalemia #Nephrology
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts ... Villous adenoma Renal ... chewing tobacco, Renal ... use), Gitelman's syndrome ... differential #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Intracellular Shift ... - Tumor lysis syndrome ... deficiency • Renal ... Type IV RTA • Renal ... potassium #high #nephrology