7 results
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... colitis, UC/Chrons (IBD ... differential #diagnosis #Causes ... #algorithm
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... hypomagnesemia Excessive GI ... diarrhea / IBD ... Magnesium #Table #Classification ... #Causes #Workup
TABLE 2. Irritable bowel syndrome (IBS) sub-classifications
lBS-diarrhoea (IBS-D)
 - >25% loose or watery stools; <25% hard
) sub-classifications ... lBS-diarrhoea ... of incomplete evacuation ... #Classes #Diagnosis ... #Diarrhea
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Abdominal Pain Causes ... have had prior evaluations ... Consider cardiac causes ... genitourinary causes ... Pain #Chronic #Causes
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... skin pallor • GI ... pain, diarrhea ... related to IBD, ... total body stores Evaluation
UCSF COVID-19 Adult Clinical Evaluation Guide - Updated April 10 2020

Clinical Presentation
• Fever: hospitalized pts but
Adult Clinical Evaluation ... rhinorrhea) <20% • GI ... : N/V, diarrhea ... UCSF COVID-19 ID ... Guide #Diagnosis #Algorithm
Occult and Lower Gastronintestinal Bleed - Differential Diagnosis Algorithm

Occult (Stool + Occult blood and/or iron deficiency
Differential Diagnosis Algorithm ... , asymptomatic IBD ... RULE OUT BRISK Upper ... GI bleed, Diverticular ... #Causes