19 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... potassium excretion ... • Drugs • Diabetic ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Fluids Shift potassium ... (if preserved renal ... function) - Loop diuretic ... Hemodialysis By Dr ... #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... • Discontinued diuretic ... #Differential #Diagnosis ... #Algorithm #nephrology ... #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Ureterosigmoidostomy, Diabetic ... #differential #diagnosis ... algorithm #causes #nephrology ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Non-reabsorbable anions Dr ... #Differential #Diagnosis ... Algorithm #causes #potassium ... #low #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Correction of diabetic ... steatorrhea) • Renal ... osmotic diuresis, Potassium ... #differential #diagnosis ... #nephrology #magnesium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology
Urinary Casts and Disease Associations
Hyaline - May be nonspecific; seen in normal individuals or during severe
exercise or with diuretic ... polarized light) Dr ... edgarvlermamd - Nephrology ... Differential #Microscopy #Diagnosis ... #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... suggests extra-renal ... Distal RTA, DKA Dr ... #Hypokalemia #diagnosis ... #nephrology #low