24 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Shift: • Alkalosis ... • Refeeding syndrome ... vomiting) • Low ... #Algorithm #nephrology
Causes of Generalized Edema - Differential Diagnosis Algorithm
Overfill (Increased renal sodium retention, Urine Na > 40meq/L)
- Differential Diagnosis ... Algorithm Overfill ... Increased renal sodium ... • AKI/CKD • Nephrotic ... • Sepsis • Acute
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
failure, Cirrhosis, Nephrotic ... syndrome • Urine ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
failure, Cirrhosis, Nephrotic ... syndrome - ... Primary polydipsia, Low ... #diagnosis #sodium ... #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
CHF, cirrhosis, nephrotic ... syndrome) Euvolemic ... , CNS Disease, Meds ... #Algorithm #diagnosis ... #nephrology #sodium
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Low Kidney Phosphate ... Transcellular Shift ... , Acute Respiratory ... #Algorithm #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
- Differential Diagnosis ... Algorithm • Decreased ... Redistribution/ Shift ... ), Hungry bone syndrome ... #nephrology #phosphate
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Algorithm ADH ... Beer Potomania - Low ... liver failure, nephrotic ... syndrome ... #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... paraproteinemia, acute ... Transcellular Shift ... • Normal or Low ... Workup #phosphate #nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... liver failure • nephrotic ... syndrome • renal ... #Workup #Algorithm ... #Nephrology