Sepsis
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Sepsis
Immune system
General infections
Sepsis
Neonatal sepsis
Abscesses
Hypersensitivity reactions
Type I hypersensitivity
Food allergy
Anaphylaxis
Asthma
Type II hypersensitivity
Immune thrombocytopenic purpura
Autoimmune hemolytic anemia
Hemolytic disease of the newborn
Goodpasture syndrome
Rheumatic heart disease
Myasthenia gravis
Graves disease
Pemphigus vulgaris
Type III hypersensitivity
Serum sickness
Systemic lupus erythematosus
Poststreptococcal glomerulonephritis
Type IV hypersensitivity
Graft-versus-host disease
Contact dermatitis
Transplants
Transplant rejection
Graft-versus-host disease
Cytomegalovirus infection after transplant (NORD)
Post-transplant lymphoproliferative disorders (NORD)
Immunodeficiences
X-linked agammaglobulinemia
Selective immunoglobulin A deficiency
Common variable immunodeficiency
IgG subclass deficiency
Hyperimmunoglobulin E syndrome
Isolated primary immunoglobulin M deficiency
Thymic aplasia
DiGeorge syndrome
Severe combined immunodeficiency
Adenosine deaminase deficiency
Ataxia-telangiectasia
Hyper IgM syndrome
Wiskott-Aldrich syndrome
Leukocyte adhesion deficiency
Chediak-Higashi syndrome
Chronic granulomatous disease
Complement deficiency
Hereditary angioedema
Asplenia
Immune system organ disorders
Thymoma
Ruptured spleen
Immune system pathology review
Blood transfusion reactions and transplant rejection: Pathology review
Immunodeficiencies: T-cell and B-cell disorders: Pathology review
Immunodeficiencies: Combined T-cell and B-cell disorders: Pathology review
Immunodeficiencies: Phagocyte and complement dysfunction: Pathology review
Assessments
Sepsis
USMLE® Step 1 questions
0 / 1 complete
High Yield Notes
4 pages
Questions
USMLE® Step 1 style questions USMLE
of complete
Memory Anchors and Partner Content
External References
First Aid
2022
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2016
Arthritis p. 476
septic p. 478
Sepsis
acute tubular necrosis p. 627
ARDS p. NaN
immunodeficient patients p. 116
lymphopenia with p. 431
neutropenia with p. 431
shock with p. 321
Streptococcus agalactiae as cause p. 135
Septicemia
Listeria monocytogenes p. , 137
readmissions with p. 277
Waterhouse-Friderichsen syndrome p. 355
External Links
Summary
Sepsis is a potentially life-threatening condition that occurs when an infection spreads through the bloodstream and triggers a widespread immune response. The body's normal immune response to infection can sometimes become overactive, leading to widespread inflammation, which can cause tissue damage and affect organ function.
Common signs and symptoms include fever, increased heart rate, increased breathing rate, and confusion. There may also be symptoms related to a specific infection, such as a cough with pneumonia, or painful urination with a kidney infection. In the very young, old, and people with a weakened immune system, there may be no symptoms of a specific infection and the body temperature may be low or normal rather than high.
Insufficient blood flow may be evident by low blood pressure, high blood lactate, or low urine output. Septic shock is low blood pressure due to sepsis that does not improve after reasonable amounts of intravenous fluids are given. Treatment for sepsis typically involves antibiotics to treat the underlying infection, as well as supportive care to address the symptoms and prevent complications.
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