28 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Urea/uric acid excretion ... Uric Acid - Low ... #Algorithm #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... excretion • Acute ... Nephropathy Renin Normal ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... NORMAL PLASMA OSMOLALITY ... HYPERVOLEMIC • CHF • liver ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Diagnosis Algorithm ... Beer Potomania - Low ... Heart failure, liver ... Algorithm #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Extra-renal Losses: • Normal ... #Differential #Diagnosis ... Algorithm #causes #potassium ... #low #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Al, Normal R - ... #Differential #Diagnosis ... #Algorithm #nephrology ... #causes #low #potassium
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... Then, ask 3 questions ... include vaptans (HF/liver ... #Differential #Diagnosis ... #nephrology #sodium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Fractional excretion ... renal function is normal ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Urine Fractional Excretion ... or Low PTH: ... or Low FGF-23: ... Workup #phosphate #nephrology
Hypokalemia Diagnostic Algorithm
To assess potassium excretion: perform 24-hour urine collection or alternatively obtain potassium-to-creatinine ratio on
Hypokalemia Diagnostic ... excretion: perform ... #Hypokalemia #Diagnosis ... Algorithm #TTKG #nephrology ... #low #potassium