22 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... renal potassium ... • Drugs • Diabetic ... Normal, Renin High
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Loop and ... abnormalities - Hypercalcemia ... - Hypokalemia ... Low #Magnesium #Table
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Syndrome • HTN, High ... • HTN Absent: Loop ... and thiazide diuretics ... #causes #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Thyrotoxicosis Medications ... • Discontinued diuretic ... nephrology #low #potassium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Differential Diagnosis Algorithm ... Clinicians should also look ... • Renal tubular ... Post-hypercapnia • Diuretics ... causes #nephrology #potassium
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Causes of High-anion ... Acidosis Causes of High-anion ... , ileal loop ... Potassium-sparing ... diuretics (amiloride
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... - Insulin (high ... Furosemide and other loop ... diuretics ... hypomagnesemia #Medications
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • K sparing diuretics ... • Recent IV potassium ... Medications 2. ... #high #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... with hypokalemia ... Urine Cl - Loop ... diuretics, Mg2+ ... #urine #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... • K sparing diuretics ... • Recent IV potassium ... Medications 2. ... #high #nephrology