12 results
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
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
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
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
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
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
- Differential Diagnosis ... Capitis - Skin Disease ... of any comorbid disease ... • Laboratory evaluation ... weight loss • Chronic
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
: • Valvular disorders ... • Severe iron deficiency ... - Chronic pulmonary ... diseases • Arteriovenous ... coronary heart disease
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... dysfunction, and/or disorders ... related to IBD, celiac ... disease, other ... total body stores Evaluation
Causes of Failure to Thrive - Differential Diagnosis Algorithm
Adequate Calorie Consumption
 - Increased Losses:
- Differential Diagnosis ... Fibrosis) • Celiac ... Disease • ... • Metabolic Disorders ... Algorithm #Causes #Peds