20 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
algorithm Decreased renal ... • Acute renal ... failure • Chronic renal ... • Drugs • Diabetic ... high: • Post-renal
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Medications Renal ... Losses Non-renal ... • Discontinued diuretic ... #Algorithm #nephrology ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... loss (Diarrhea) Renal ... Algorithm #causes #potassium ... #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
gastrointestinal K loss • Renal ... hypokalemia • Renal ... Ureterosigmoidostomy, Diabetic ... syndrome, Congenital adrenal ... #potassium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Renal Causes of ... hypomagnesemia Renal ... Hypercalcemia, Post renal ... #causes #nephrology ... #magnesium #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... syndrome, Congenital adrenal ... consumption • Low ... #Hypokalemia #diagnosis ... #nephrology #low
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Correction of diabetic ... steatorrhea) • Renal ... Tubulointerstitial renal ... #differential #diagnosis ... #low
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Lung cancer • Renal ... Hypoparathyroidism - Type 1 diabetes ... • Weakness • Low-grade ... Serum DHEAS Diagnosis ... Check sodium, potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... (Uncontrolled diabetes ... resistance Impaired Renal ... deficiency • Renal ... Type IV RTA • Renal
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... mOsm/kg - Implies renal ... • Euvolemic (Low ... , Ingestion Renal ... • Euvolemic: Diabetes