27 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... water loss, Serum Sodium ... Polyuria scheme) e.g ... mannitol, glucosuria Low ... Hypernatremia #Nephrology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... Diagnosis Algorithm ... D Deficiency (e.g ... Hypoparathyroidism (e.g ... #Algorithm #Phosphate
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... Vit-D degradation (eg ... hyperphosphatemia (eg ... #Algorithm #PTH
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... ON (UNa < 30): Hypovolemia ... Primary polydipsia, Low ... #diagnosis #sodium ... #nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
- Differential Diagnosis ... Algorithm Polyuria ... solute intake (e.g ... nutrition), Azotemia LOW ... #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... #Workup #Algorithm ... #nephrology #sodium
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Differential Diagnosis ... Algorithm Reduced ... EABV (e.g., CHF ... IntercellularShift #Nephrology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
- Differential Diagnosis ... Algorithm Low ... Chronic Disease (e.g ... #Algorithm #Causes ... #Hematology
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
of Anemia with Low ... Algorithm Decreased ... Iron Deficiency (Eg ... Other • e.g ... #Hematology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Present (Uosm ≥100): Hypovolemia ... #differential #diagnosis ... #nephrology