Sepsis Syndrome Differential
A. Infectious
Gram Negative sepsis
Gram Positive Sepsis: Staphylococcal, Streptococcal, or Pneumococcal Bacteremia, Toxic Shock Syndrome, Costridial Sepsis
Atypical infection: Chlamydia psittici, Leionella, Typhoidal syndromes
Viral Illness: Viral hemorrhagic fevers, Hantivirus syndrome
B. Idiopathic Vasculitides
Polyarteritis Nodosa
Giant Cell Arteritis
ANCA-Related Vasculitides
SLE - Systemic Lupus Erythematosus
Cryoglovulinemia
Serum Sickness
C. Other Causes
Pre-Eclampsia
Anaphylactic Reactions: Drug reactions, Insect bites, Stevens Johnsons Syndrome (Toxic Epidermal Necrolysis), Certain parasitic infections (as hydatid cyst)
Microangiopathic Hemolytic Anemias (MAHA): Hemolytic Uremic Syndrome (HUS), Thrombotic Thrombocytopenic Purpura (TTP), HELLP Syndrome (severe pre-eclampsia)
Severe Ulcerative Colitis
Cholesterol Emboli Syndrome - eosinophilia may be present
Adrenal Failure (Addisonian Crisis) - eosinophilia may be present
D. Typical Components of Sepsis Syndrome
Hypotension
Acute Renal Failure
Disseminated Intravascular Coagullopathy (DIC)
Thermal Dysregulation (hypothermia and/or fever)
Pulmonary Edema
REF: Outlines of Clinical Medicine 2004