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Differential Diagnosis in Upper and Lower GI Bleed
 
- By Dr. Eric Strong @DrEricStrong 

#Upper #Lower
Differential Diagnosis in Upper ... and Lower GI Bleed ... DrEricStrong #Upper ... #Lower #GIBleed ... Differential #Diagnosis #Table
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... Aortoenteric fistula Lower ... #Lower #GIBleed ... #algorithm
Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm
Generalized/Migratory:
 • Intussusception
 • Gastroenteritis
 • Viral Illness
 •
Pediatric Acute Abdominal ... Pyelonephritis • Right Lower ... Pyelonephritis • Left Lower ... Pneumonia Right Lower ... Dysmenorrhea Left Lower
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Lower GI Bleed - ... Suspected lower ... Unstable (Rule out upper ... GI bleed) vs Stable ... MatthewHoMD #Lower
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 ( ... #Lower #GIBleed
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Differential Diagnostic Algorithm ... surgical abdomen Upper ... musculoskeletal causes ... Lower quadrant ... genitourinary causes
Pediatric Causes of Abdominal Pain

Surgical:
 - Acute appendicitis 
 - Intestinal obstruction including intussusception 
 -
Pediatric Causes ... of Abdominal Pain ... : - Upper respiratory ... infection - Lower ... Pain #Pediatrics #Causes
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Differential Diagnosis Algorithm ... Pulmonary Embolism* Lower ... Asthma* • AECOPD Upper ... #Causes
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Consider tumor • Upper ... • Lower quadrant ... Lymphoma/Leukemia Lower ... mesenteric ischemia • GI
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... • Vascular - abdominal ... aneurysm; • GI ... BrighamChiefs #Lower ... Differential #Diagnosis #causes