17 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Pernicious anemia, Bypass ... BrighamChiefs #Vitamin ... differential #diagnosis #causes
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... B12 deficiency ... occur with B12 deficiency ... Macrocytic #Anemia #VitaminB12
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 ... Transcobalamin II deficiency ... antagonists #VitaminB12 ... #deficiency #low
The Inhibited Pathway caused by N2O, leading to a decrease in the active form of Vitamin
Inhibited Pathway caused ... active form of Vitamin ... use of N2O can cause ... B12 deficiency. ... #NitrousOxide #VitaminB12
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... The vitamin B12 ... #VitaminB12 #deficiency ... #Differential #Causes
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Liver Disease • Vitamin ... K Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Rachitic Rosary of Rickets on Physical Exam

Bead-like prominences of bone are seen at the costochondral joints.
mineralization causes ... Rosary #Rickets #PhysicalExam ... #chest #Ribs #VitaminD ... #deficiency #endocrinology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Causes include : ... Pre-analytical cause ... ) • Severe vitamin ... aPTT #Prolonged #Causes ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early vitamin K ... Pre-analytical cause ... Severe vitamin K ... #differential #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Megaloblastic: Vitamin ... B12 deficiency, ... Folate deficiency ... differential #diagnosis #causes ... #hematology