29 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... water retention 1) Serum ... Urine Sodium 4) Serum ... Uric Acid - Low ... #Algorithm #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential Diagnosis ... Algorithm Increased ... #Algorithm #causes ... #potassium #low ... #pathophysiology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... urine sodium and serum ... - Urine sodium low ... and uric acid low ... #Diagnosis #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Algorithm Transcellular ... vomiting) • Low ... #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 ... #Algorithm #causes ... #potassium #low ... #nephrology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Algorithm R/O ... releasing K+ into serum ... #Algorithm #causes ... #potassium #high ... #pathophysiology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Hypervolemic, Serum ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Algorithm Hypertensive ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
urine magnesium x serum ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
potassium • ↑ ... • Weakness • Low-grade ... DHEAS Diagnosis ... Check sodium, potassium ... endocrinology #diagnosis