10 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential ... water Extrarenal hypotonic ... salt intake: • Hypertonic ... #sodium #high
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Urologic irrigants Hypotonic ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium ... #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... , Recent TURP Hypotonic ... Hypothyroidism Hypertonic ... #Differential # ... #sodium #low
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Physiologic Approach to Hypotonic ... have a case of hypotonic ... diuresis can be high ... #Physiologic #Hypotonic ... differential #diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... >145 mmol/L High ... 300 mmol/kg • Hypertonic ... mannitol, glucosuria Low ... #Nephrology #Differential
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Differential Algorithm ... low, uric acid ... high in hypovolemic ... low in euvolemic ... #Differential #
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Uric Acid - Low ... Acid → SIADH - High ... #Differential # ... #sodium #low #uricacid
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
approach to the differential ... 1) Is it hypotonic ... #Differential # ... Treatment #management #nephrology ... #sodium
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Anisocoria + Coma → high ... asymmetry and hypotonia ... flaccid limbs vs hypertonia ... #PhysicalExam #neurology
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
radiocontrast, hypertonic ... the epithelial sodium ... Drug-associated: heparin, low-molecular-weight ... #Hyperkalemia #Differential ... #Diagnosis #High