10 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Intestine: SIBO, Celiac ... disease, IBD, Lymphoma ... Stomach: Pernicious anemia ... #differential #diagnosis
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Disease - Diagnosis ... anemia unresponsive ... without discernable cause ... #Disease #Diagnosis ... #Algorithm #gastroenterology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... , diagnose iron ... tests Test for celiac ... disease with serology ... #gastroenterology
Differential Diagnosis and Evaluation of Hyponatremia:
1) Identification of onset (acute vs. chronic)
2) Presence of symptoms (HA,
and Evaluation ... symptoms (HA, nausea ... , liver, renal disease ... #EM #IM #Nephro ... Differential #Algorithm #Ddxof
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 B12 intake ... , coeliac disease ... #differential #diagnosis
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... Consider BCx, CSF evaluation ... unformed) PNA diagnosed ... #Peds #EM #Classification ... SeriousBacterialIllness #Ddxof
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... related to IBD, celiac ... disease, other ... total body stores Evaluation ... consider other diagnosis
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
- Differential Diagnosis ... have had prior evaluations ... did not yield a diagnosis ... poisoning • Celiac ... #gastroenterology
Ileal Pouch Disorders - Differential Diagnosis
 • Surgical/Mechanical: Anastomotic leak, Pelvic sepsis, Sinus, Fistula, Strictures, Efferent
- Differential Diagnosis ... Systemic/Metabolic: Anemia ... Bone loss, Vit D/B12 ... , Renal stone, Celiac ... #surgery #gastroenterology
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Evaluation of Recurrent ... embolism - Severe anemia ... e.g., diabetic, B12 ... Recurrent #Falls #Diagnosis ... #Differential #Evaluation