17 results
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
After Gastric Bypass ... • Thiamine - Nausea ... - Macrocytic anemia ... Deficiencies #Gastric #Bypass ... #table #differential
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 ... #Cobalamin #differential
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... kidney disease - Vitamin ... and/or folate deficiency ... hematology #diagnosis #differential ... #workup
Algorithm for the evaluation of macrocytic anemia. (RBC = red blood cell; MMA = methylmalonic acid.)
Physicians
the most likely cause ... recovery also causes ... of the initial work-up ... B12 deficiency ... occur with B12 deficiency
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Megaloblastic: Vitamin ... B12 deficiency, ... Folate deficiency ... morphologic #mcv #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
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... -12, or folate deficiency ... • Hemolytic anemia ... glycosylation • Vitamin ... Diagnosis #DM2 #Differential
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 ... #VitaminB12 #deficiency ... low #cobalamin #differential
Altered Mental Status - Differential Diagnosis
 • Neurologic: Stroke, Cerebral hypoxia, Cerebral hemorrhage, Seizure, Trauma, TBI,
Mental Status - Differential ... Electrolyte disturbance, Uremia ... , Hypercarbia, Vitamin ... deficiency, Thyroid ... #Diagnosis #Causes
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
syphilis, Whipple, vitamin ... deficiency, ... ... Alzheimer - 1st cause ... - Progressive amnesia ... MNCD #Dementia #Differential