13 results
Pathogenesis of Nonalcoholic Steatohepatitis. Various factors, including inflammation, hyperinsulinemia or insulin resistance, and altered lipid homeostasis,
Pathogenesis of Nonalcoholic ... Pathophysiology #GI ... NonAlcoholicSteatoHepatitis #NonAlcoholicFattyLiverDisease ... #NEJM
Histologic Features and Prevalence of Nonalcoholic Steatohepatitis (NASH). NASH is a potentially progressive type of nonalcoholic
Prevalence of Nonalcoholic ... progressive type of nonalcoholic ... NonAlcoholicSteatoHepatitis #NonAlcoholicFattyLiverDisease ... HCC #Prevalence #NEJM
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs and Symptoms ... • persistent GI ... symptoms 3. ... Signs / Symptoms ... e.g. arrythmias, ischemia
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
- Myocardial ischemia ... or swelling - GI ... Non-specific abdo pain, GI ... Diagnosis #Signs #Symptoms
Clinical manifestations of anaphylaxis. 
Neurological (<15%): Dizziness, syncope, seizures, Confusion, impending doom. headache
Angioedema: Lips, tongue, orbit,
50%): Myocardial ischemia ... respiratory arrest GI ... anaphylaxis #signs #symptoms
Reversible Acute Mesenteric Ischemia - A computed tomographic scan showed jejunal dilatation and thinning of the
Acute Mesenteric Ischemia ... acute mesenteric ischemia ... His symptoms abated ... Clinical #Radiology #GI ... #EGD #CT #NEJM
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
hypoxia and organ ischemia ... skin pallor • GI ... to manifest its symptoms ... , alcohol use, symptoms ... • P/E - GI and
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
changes • Urinary symptoms ... Chronic mesenteric ischemia ... • GI malignancy ... • Mesenteric ischemia
Esophageal Necrosis
Etiology:
 - Ischemia and Gastric Outlet Obstruction with GERD may be inciting events
 - Associated
Necrosis Etiology: - Ischemia ... melena - Other GI ... symptoms include
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Purpura, ischemic ... Presentation: Systemic Symptoms ... and mesenteric ischemia ... mononeuritis multiplex • GI ... • Progressive symptoms