32 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... , apathy, normal ... Folate - Macrocytic anemia ... Deficiencies #Gastric #Bypass
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Stomach: Pernicious anemia ... , Bypass/gastrectomy ... BrighamChiefs #Vitamin
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... Measures of vitamin ... B12 deficiency ... occur with B12 deficiency
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
some patients) Normal ... Megaloblastic: Vitamin ... B12 deficiency, ... Folate deficiency ... differential #diagnosis #causes
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Polyphenol / tannins, ↓ Vitamin ... drkeithsiau #Iron #Deficiency ... #Causes #differential ... #diagnosis #anemia
Osteomalacia & Osteoporosis in People with HIV
Osteomalacia:
 - Decreased bone matrix mineralization. In people with HIV
D deficiency (from ... multiple causes ... of underlying cause ... Osteopenia - Lab: Normal ... D deficiency
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... -12, or folate deficiency ... Hypertriglyceridemia • Uremia ... • Hemolytic anemia ... glycosylation • Vitamin
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. ... of pernicious anemia
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 ... Autoimmune - Pernicious anaemia ... Transcobalamin II deficiency ... #VitaminB12 #deficiency
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Destruction • Abnormal ... Liver Disease • Vitamin ... K Deficiency ... Diagnosis #Algorithm #Causes