14 results
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
syndrome Food-bound cobalamin ... , coeliac disease ... #VitaminB12 #deficiency ... #low #cobalamin ... #differential #diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... : • Acute or Chronic ... • Rheumatic disorders ... • Celiac disease ... malignancy • Iron deficiency
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Drugs, H pylori, Celiac ... Inflammation: IBD, Chronic ... disease (↑ hepcidin ... Iron metabolism disorders ... #differential #diagnosis
Hypocalcemia Laboratory Evaluation

Serum levels of PTH, phosphorus, 25-hydroxyvitamin D, and 1,25-dihydroxyvitamin D can help differentiate between
Hypocalcemia Laboratory Evaluation ... differentiate between disorders ... - Vitamin D deficiency ... - Chronic kidney ... disease #Hypocalcemia
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... patients with anemia, diagnose ... inflammation or chronic ... tests Test for celiac ... disease with serology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Encephalopathy, Cobalamin ... Deficiency Selective ... T1 High Signal: Chronic ... #Differential #Diagnosis ... #Radiology #Neurology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
dysfunction, and/or disorders ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... #Deficiency #diagnosis
Causes of Failure to Thrive - Differential Diagnosis Algorithm
Adequate Calorie Consumption
 - Increased Losses:
- Differential Diagnosis ... Fibrosis) • Celiac ... Disease • ... • Metabolic Disorders ... Algorithm #Causes #Peds
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... certain foods or meds ... Consider testing for celiac ... disease Inflammatory ... differential #testing #evaluation
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
- Differential Diagnosis ... - Severe iron deficiency ... - Chronic pulmonary ... diseases • Arteriovenous ... #causes #cardiology