16 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... mechanism 2) Volume Status ... , Cushing syndrome ... Workup #Algorithm #nephrology ... #sodium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... of hypokalemia starts ... #hypokalemia #differential ... algorithm #causes #nephrology ... #potassium
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... Algorithm #diagnosis #nephrology ... #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
, Gitelman syndrome ... Normal acid-base status ... and potassium acid ... urine #Algorithm #nephrology ... #differential #
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... osmotic diuresis, Potassium ... Hypercalcemic states ... Hypomagnesemia #Causes #differential ... #diagnosis #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... - Tumor lysis syndrome ... - Hyperosmolar states ... #high #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
attention to volume status ... Assess volume status ... demyelination syndrome ... Diagnosis #Treatment #management ... #nephrology #sodium
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Metabolic Alkalosis: Differential ... chloridorrhea) • Status ... other • Severe potassium ... Metabolic #Alkalosis #Differential ... Diagnosis #Causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Recent IV potassium ... - Tumor lysis syndrome ... - Hyperosmolar states ... #high #nephrology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Reversible course Differential ... Seizures: Treat with AEDs ... #diagnosis #management ... #neurology