6 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... • Additional laboratory ... Non-invasive testing ... endoscopy • Insufficient ... Gastrointestinal #Evaluation
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Adrenal Insufficiency ... Diagnosis Algorithm ... - Evaluation of ... unclear (often the case ... then go to stim testing
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
Differential Diagnosis Algorithm ... Idiopathic Other Causes ... Hypopituitarism • Adrenal Insufficiency ... Catecholamine Deficiency ... endocrinology #causes
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
aldosterone - Low in cases ... distinguish between ACTH deficiency ... pituitary) and deficiency ... #Evaluation #laboratory ... #diagnosis #testing
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... mineralocorticoid deficiency ... Hypothyroidism, Adrenal Insufficiency ... Cerebral Salt Wasting
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... confirmed via genetic testing ... continued in most cases ... ; interpretation ... dependent upon local laboratory