19 results
Upper GI Bleed - Management Algorithm

Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR
Initial Stabilization
Concern for
Upper GI Bleed - ... GI bleed Suspected ... ± EGD Causes ... of Upper GI Bleed ... #GI #Bleed #UGIB
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... - Cobalamin Decreased ... Stomach: Pernicious anemia ... #Cobalamin #differential
Iron Deficiency Anemia - Differential Diagnosis Algorithm

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

 • Blood loss:
Anemia - Differential ... • Blood loss: GI ... bleed, GU bleed ... , Gyn bleed, Epistaxis ... #Anemia #Differential
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Loss • Acute Bleed ... Smear • Chronic Bleed ... • B12/Folate Deficiency ... Diagnosis #Algorithm #Causes
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Volume (MCV) - Differential ... • Acute Bleed ... • Early Iron Deficiency ... #Differential #
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... Autoimmune - Pernicious anaemia ... syndrome Food-bound cobalamin ... #low #cobalamin ... #differential #
Helpful Clues for Distinguishing Upper vs. Lower GI Bleeding
Upper GI Bleed (proximal to ligament of Treitz):
Helpful Clues for ... Lower GI Bleeding ... Upper GI Bleed ... Lower GI Bleed ( ... versus #diagnosis #gastroenterology
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... Upper: • Esophagus ... Lower #GIBleed #differential ... #diagnosis #Causes
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... skin pallor • GI ... symptoms • P/E - GI ... #Deficiency #diagnosis
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
Causes of Anemia ... Volume (MCV) - Differential ... RBC>13 • Iron Deficiency ... Blood Loss, Occult Bleed ... #elevatedMCV #Differential