Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief ๐Ÿ‡ต๐Ÿ‡ญ ๐Ÿ‡บ๐Ÿ‡ธ - 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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13 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Insufficiency Intestine ... Celiac disease, IBD ... #Cobalamin #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
inhibitors - Primary intestinal ... Chronic diarrhea / IBD ... #Diagnosis #Low ... Classification #Causes ... #Workup #hypomg
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 โ€ข Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... - Differential ... Diagnosis Algorithm ... cancer, ulcer, IBD ... Pregnancy, Lactation, Low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... Diagnosis Algorithm ... filling of bucket (low ... #Diagnosis #Algorithm ... #Causes #workup
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 โ€ข Vit B12 - aka cobalamin. Present in foods derived from animal
B12 (Cobalamin) Deficiency ... โ€ข Common Causes ... disorders of small intestine ... diarrhea related to IBD ... B12 #Cobalamin #Deficiency
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 โ€ข Autoimmuneโ€” PBC, PSC
 โ€ข Infectionโ€” liver
Causes of Fat Malabsorption ... - Differential ... choledocho/ithiasis Intestinal ... Pancreatic lipase deficiency ... Celiac disease โ€ข IBD
Fatigue and IBD Algorithm
 โ€ข 40-50% patients have fatigue despite clinical remission
 โ€ข Risk factors: BMI,
Fatigue and IBD ... UC Anemia and IBD ... IDA and active IBD ... fatigue w/ active IBD ... /other causes โ€ข
Suggested diagnostic approach to a patient with exudative ascites. Low ascitic fluid protein should direct practitioners
Low ascitic fluid ... syndrome as a cause ... diagnosis is quite ... ascites #diagnosis #workup ... #algorithm #differential
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isnโ€™t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... an underlying cause ... levels: realllly low ... #workup #hematology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... / serum Na >1 is ... mineralocorticoid deficiency ... #Hyponatremia #differential