14 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... • G-CSF • Hypokalemic ... • Refeeding syndrome ... GI losses (NG suction ... Diagnosis #Algorithm #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... • Cell shift: Hypokalemic ... Non-reabsorbable anion ... #hypokalemia ... algorithm #diagnosis #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... H+ secretion → Hypokalemia ... #Pathophysiology ... #nephrology #diagnosis
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
, nasogastric suction ... diuresis, Bartter's syndrome ... use), Gitelman's syndrome ... excess and related syndromes ... differential #diagnosis #nephrology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... • Triggers: Diuretics ... : • Pathophysiology ... into serum • Triggers ... hydration - Hyperkalemia
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... - Transfusion reaction ... - Tumor lysis syndrome ... potassium #high #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... Vomiting • NG suction ... paralysis/familial hypokalemic ... #Hypokalemia ... #Nephrology #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... - Transfusion reaction ... - Tumor lysis syndrome ... potassium #high #nephrology
Neuroleptic Malignant Syndrome - Diagnosis
Neuroleptic Malignant Syndrome is an idiosyncratic reaction to antipsychotic medications classically characterized
Neuroleptic Malignant Syndrome ... Neuroleptic Malignant Syndrome ... idiosyncratic reaction ... Triggers: - Antipsychotics ... #Diagnosis #neurology
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
Stiff Person Syndrome ... Pathophysiology ... tendency to fall • Triggers ... superimposed spasms triggered ... Management #treatment #neurology