27 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... Folate - Macrocytic anemia ... - 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 ... Stomach: Pernicious anemia ... , Bypass/gastrectomy ... 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 ... #VitaminB12 #Folate
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 ... antagonists #VitaminB12 ... #deficiency #low
The Inhibited Pathway caused by N2O, leading to a decrease in the active form of Vitamin
Inhibited Pathway caused ... use of N2O can cause ... B12 deficiency. ... of pernicious anemia ... #NitrousOxide #VitaminB12
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... Milk-alkali syndrome • Vitamin ... #Differential #Causes ... #Diagnosis #Cardiology
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 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
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Microcytic" • Iron deficiency ... Megaloblastic: Vitamin ... B12 deficiency, ... Folate deficiency ... differential #diagnosis #causes
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