22 results
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Drugs, H pylori, Celiac ... disease (↑ hepcidin ... #differential # ... diagnosis #anemia
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... Elite athletes • Chronic ... Blood Loss (without ... Bleeding, Edema, Celiac ... #differential #
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... inflammation or chronic ... tests Test for celiac ... disease with serology ... #workup #diagnosis
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... kidney disease, ... of absorption): Celiac ... disease, Bypass
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... disorders • Celiac ... disease Tissue ... malignancy • Iron ... deficiency anemia
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Algorithm Blood Loss ... • Anemia of Chronic ... Disease • Marrow ... Diagnosis #Algorithm #Causes
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Microcytic" • Iron ... disease, Acute ... blood loss, Anemia ... morphologic #mcv #differential ... #diagnosis #causes
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
Chronic Diarrhea ... disease Inflammatory ... #Diarrhea #Workup ... #diagnosis #differential ... #testing #evaluation
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... have had prior evaluations ... Anorexia, weight loss ... • Vomiting, diarrhea ... #Causes #Differential
Causes of Copper Deficiency - Differential Diagnosis
Hereditary: 
 - Menkes disease, familial hypoceruloplasminemia
Decreased / Inadequate Intake:
Causes of Copper ... Increased copper loss ... , Celiac sprue, ... gastrectomy, prolonged diarrhea ... supplementation) or iron