Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Celiac disease, IBD ... Pernicious anemia, Bypass ... #Cobalamin #differential
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 β€’ Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... Diagnosis Algorithm ... cancer, ulcer, IBD ... Celiac disease, Bypass
Causes of Iron Deficiency
 β€’ Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Inflammation: IBD ... Iron metabolism disorders ... drkeithsiau #Iron #Deficiency ... #Causes #differential
Fatigue and IBD Algorithm
 β€’ 40-50% patients have fatigue despite clinical remission
 β€’ Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... fatigue w/ active IBD ... /other causes β€’
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 β€’ Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... β€’ Common Causes ... dysfunction, and/or disorders ... diarrhea related to IBD ... total body stores Evaluation
UCSF COVID-19 Adult Clinical Evaluation Guide - Updated April 10 2020

Clinical Presentation
β€’ Fever: hospitalized pts but
Adult Clinical Evaluation ... Taste or smell disorder ... UCSF COVID-19 ID ... Guide #Diagnosis #Algorithm ... #Protocol #SARSCoV2
Aortic Dissection Pearls
Aortic dissection is caused by a tear in the tunica intima, the innermost layer
caused by a tear ... Evaluation: 1. ... presenting with chest/abd ... Connective tissue disorder ... Pulse deficit/differential
Complications after Bariatric Surgery
Post Bariatric Intestinal Failure:
 β€’ Severe protein malnutrition after bariatric surgery
 β€’ More
common after distal bypass ... (N/V bloating, abd ... after RYGB β€’ Disorder ... causes increased ... gastroenterology #diagnosis #differential