6 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... 300 mmol/kg • Hypertonic ... mannitol, glucosuria Low ... Urine Osmolality ... Hypernatremia #Nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
volume-based algorithm Urine ... : SIADH, Renal Sodium ... can be high or low ... #Hyponatremia #differential ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... sodium is typically ... and potassium acid ... #Algorithm #nephrology ... #differential #
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
radiocontrast, hypertonic ... Drug-associated: heparin, low-molecular-weight ... #Hyperkalemia #Differential ... Diagnosis #High #Potassium ... #Classification
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, rhabdo/crush injury ... lysis) ± Urine ... acidosis) • Low ... Use gtt, NOT hypertonic ... #nephrology #K
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... alkalosis • Normal or low ... Hypocalciuria (spot urine ... ratio 0.5%) Differential ... Syndrome #diagnosis #nephrology