20 results
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... Algorithm #diagnosis #sodium ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... trauma • Drugs ... Malignancy True hypovolemia ... #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... - Differential ... trauma • Drugs ... Malignancy True hypovolemia ... #Nephrology #Differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... , Cushing syndrome ... #Differential # ... #sodium
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... overdose) - Sodium ... renal Fanconi syndrome ... #Medications #differential ... #diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... Hypovolemia, UNa ... Hypothyroidism, Stress, Drugs ... #Differential #
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... #differential # ... #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... deficiency • Drugs ... metastases, Hungry bone syndrome ... #Workup #Differential
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
vasoconstriction syndrome ... , Recreational drugs ... Hyperglycemia, Hyponatremia ... Hypomagnesemia, Hypocalcemia ... Algorithm #Causes #neurology
Hypocalcemia - Diagnosis and Management
PTH Independent (↑ PTH)
 • LOW VIT D
    -
Hypocalcemia - Diagnosis ... and Management ... Independent (↑ PTH) • LOW ... - Metabolism: Drugs ... endocrinology #differential