20 results
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 ... : Medications (PPI ... #Vitamin #B12 #Deficiency
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
Therapy (14d) - PPI ... 500 tid) - PPI ... Therapy (14d) - PPI ... Test or repeat EGD ... quadrupletherapy #gastroenterology
Gastroesophageal Reflux Disease (GERD) - Summary

GERD: Diagnosis
• Heartburn (substernal burning sensation) and acid regurgitation
• Chest pain
Extraesophageal
indications → PPI ... Therapeutic trial of PPI ... → discontinue PPI ... off PPI 2-4 weeks ... impedance pH) • PPI
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... cancer, ulcer, IBD ... achlorhydria: PPI ... tony_breu #Iron #Deficiency ... Differential #Diagnosis #Causes
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Achlorhydria: PPI ... Tropical sprue, IBD ... Zinc excess or deficiency ... , Copper deficiency
Acute Esophageal Necrosis
History: Hematemesis and/or melena (70%), Dysphagia, Epigastric/chest pain, Sepsis
Diagnosis EGD and Biopsy
Differential: Melanosis, Melanoma,
Sepsis Diagnosis EGD ... no NGT, mlVF, PPI ... diagnosis #management #gastroenterology
Forrest Classification for Describing Endoscopic Findings in Patients With Bleeding Ulcers and Predicting Risk of Rebleeding

Classification
Rebleeding (%) - PPI ... Clear liquid  Ib ... Classification #Endoscopy #EGD ... Risk #Rebleeding #PUD
Pancreatic Exocrine Insufficiency (PEI) - Diagnostic Algorithm
PEI definite:
 • Total pancreatectomy
 • Severe chronic pancreatitis
 •
Insufficiency (PEI ... Diagnostic Algorithm PEI ... head of pancreas PEI ... Vitamin A, E, D, K deficiency ... PEI unlikely:
Esophageal Variceal Bleeding - Diagnosis and Management Summary
PRE-ENDOSCOPY
Vasoactive agents - Octreotide: 
 • 50mcg bolus →
Hgb 7-9 g/dL PPI ... unclear source (in case ... variceal ligation - EGD ... Surveillance EGD ... Propranolol 10mg BID
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... • Gastritis/PUD ... • Foods • IBS ... differential #diagnosis #causes ... #gastroenterology