2811 results
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... malabsorption - Atrophic gastritis ... , chronic gastritis ... pylori-associated gastritis
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... malabsorption, Gastritis ... differential #diagnosis #causes
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Cardiovascular Causes ... Tamponade Pulmonary Causes ... Pneumothorax Other Causes ... : - GERD - Gastritis ... Differential #Diagnosis #Causes
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... absorption: AI gastritis ... differential #diagnosis #causes
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... ↓ Absorption: Gastritis ... Iron #Deficiency #Causes
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower Causes ... NSAIDs, Hpylori), Gastritis ... differential #diagnosis #Causes
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... lesions, Erosive gastritis ... Deficiency #Anemia #Causes
Causes of Nausea and Vomiting - Differential Diagnosis Framework

Chemoreceptor Trigger Zone/Area Postrema:
 • Drugs:
	- Chemo agents
	-
Causes of Nausea ... disruption • Gastritis ... Malignancy #nausea ... differential #diagnosis #causes
Upper Gastronintestinal Bleed - Differential Diagnosis Algorithm
Acute Hematemesis/Melena
 - Blood in vomitus?/black, tarry stools
 - If
Esophagitis / Gastritis ... Diagnosis #Algorithm #Causes
Causes and Assessment of the Child with Recurrent Abdominal Pain
> 90% no structural cause identified
Gastrointestinal
 •
Causes and Assessment ... no structural cause ... Abdominal migraine • Gastritis ... Diagnosis #Pediatrics #Causes