12 results
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
inflammation or chronic ... tests Test for celiac ... disease with serology ... Non-invasive testing ... #workup #diagnosis
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... - Workup Osmotic ... certain foods or meds ... for celiac disease ... #evaluation
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... B12 Levels Low ... vitamin B12 intake ... , coeliac disease ... #VitaminB12 #deficiency
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... have had prior evaluations ... , physical and testing ... bowel syndrome • Celiac ... poisoning • Celiac
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Demyelinating Disease ... poisoning, Scorpion sting ... Shellfish poisoning, Meds ... : Acid maltase deficiency
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... related to IBD, celiac ... disease, other ... total body stores Evaluation
Celiac Disease - Diagnosis Algorithm
IgA TTG has high sensitivity and specificity of ~ 98% and is
Celiac Disease - ... serologic marker for evaluating ... IgA deficiency affects ... pts need further testing ... gastroenterology #workup
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
pads, heating blankets ... early localized disease ... called "Bazin's disease ... acute Parvovirus B19 ... so-called fifth disease
Primary Adrenal Insufficiency:
 • ACTH stimulation test - Synthetic ACTH does not stimulate cortisol secretion because
secretion; in chronic ... as a result of chronic ... Insufficiency #Evaluation ... laboratory #diagnosis #testing ... endocrinology #workup
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Marrow Failure • Chronic ... Myeloproliferative Disease ... Nutritional: vitamin B12 ... Workup: • Complete