20 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Intestine: SIBO, Celiac ... #B12 #Deficiency ... #differential #diagnosis
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Underproduction Diagnostic ... kidney disease - Vitamin ... B12 and/or folate ... deficiency - ... #workup
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... B12 deficiency ... deficiency. ... #Diagnosis #Macrocytosis
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 ... Crohn 's disease, coeliac ... #differential #diagnosis
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Disease - Diagnosis ... disease • Iron-deficiency ... unresponsive to treatment ... without discernable cause ... #Algorithm #gastroenterology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Acquired: • Vitamin ... Malabsorption (e.g. celiac ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac ... effect following treatment ... malignancy • Iron deficiency ... #Hematology
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Commonly Used Diagnostic ... negative with IgA deficiency ... Reflects response to treatment ... Laboratory #Tests #Diagnosis ... #Workup #Table
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Megaloblastic: Vitamin ... B12 deficiency, ... #differential #diagnosis ... #causes #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... for workup, including ... Acute hemolysis, deficiency ... Rebound effect from treatment ... Vasculitides, IBD, Celiac