answersLogoWhite

0

Infectious

Updated: 9/6/2023
User Avatar

Chris Thompson

Lvl 1
4y ago

Best Answer
Definition

Infectious endocarditis is an infection of the lining of the heart chambers and heart valves that is caused by bacteria, fungi, or other infectious substances.

See also:

Alternative Names

Endocarditis - infectious

Causes, incidence, and risk factors

Endocarditis is usually a result of a blood infection. Bacteria or other infectious substance can enter the bloodstream during certain medical procedures, including dental procedures, and travel to the heart, where it can settle on damaged heart valves. The bacteria can grow and may form infected clots that break off and travel to the brain, lungs, kidneys, or spleen.

Most people who develop infectious endocarditis have underlying heart disease or valve problems.

However, an organism commonly found in the mouth, Streptococcus viridans, is responsible for about 50% of all bacterial endocarditis cases. This is why dental procedures increase your chances for developing this condition. Such procedures are especially risky for children with congenital heart conditions. As a result, it is common practice for children with some forms of congenital Heart disease and adults with certain heart-valve conditions to take antibiotics before any dental work.

Other common culprits include Staphylococcus aureus and enterococcus. Staphylococcus aureus can infect normal heart valves, and is the most common cause of infectious endocarditis in intravenous drug users.

Less common causes of infectious endocarditis include pseudomonas, serratia, and candida.

The following increase your chances for developing endocarditis:

Intravenous drug users are also at risk for this condition, because unsterile needles can cause bacteria to enter the bloodstream.

Symptoms

Symptoms of endocarditis may develop slowly (subacute) or suddenly (acute). Fever is the classic symptom and may persist for days before any other symptoms appear.

Other symptoms may include:

  • Abnormal urine color
  • Blood in the urine
  • Chills
  • Excessive sweating
  • Fatigue
  • Joint pain
  • Muscle aches and pains
  • Nail abnormalities (splinter hemorrhages under the nails)
  • Night sweats (may be severe)
  • Paleness
  • Red, painless skin spots on the palms and soles (Janeway lesions)
  • Red, painful nodes (Osler's nodes) in the pads of the fingers and toes
  • Shortness of breath with activity
  • Swelling of feet, legs, abdomen
  • Weakness
  • Weight loss
Signs and tests

The health care provider may hear abnormal sounds, called murmurs, when listening to your heart with a stethoscope.

A physical exam may also reveal:

A history of congenital heart disease raises the level of suspicion. An eye exam may show bleeding in the retina a central area of clearing. This is known as Roth's spots.

The following tests may be performed:

Treatment

You will be admitted to the hospital so you can receive antibiotics through a vein. Long-term, high-dose antibiotic treatment is needed to get rid of the bacteria. Treatment is usually given for 4 - 6 weeks, depending on the specific type of bacteria. Blood tests will help your doctor choose the best antibiotic.

Surgery may be needed to replace damaged heart valves.

Expectations (prognosis)

Early treatment of bacterial endocarditis generally has a good outcome. Heart valves may be damaged if diagnosis and treatment are delayed.

ComplicationsCalling your health care provider

Call your health care provider if you note the following symptoms during or after treatment:

  • Weight loss without change in diet
  • Blood in urine
  • Chest pain
  • Weakness
  • Numbness or weakness of muscles
  • Fever
Prevention

The American Heart Association recommends preventive antibiotics for people at risk for infectious endocarditis before:

  • Certain dental procedures
  • Surgeries on respiratory tract or infected skin, skin structures, or musculoskeletal tissue

Antibiotics are more likely to be recommended those with the following risk factors:

  • Artificial heart valves
  • Certain congenital heart defects, both before or possibly after repair
  • History of infective endocarditis
  • Valve problems after a heart transplant

Continued medical follow-up is recommended for people with a previous history of infectious endocarditis.

Persons who use intravenous drugs should seek treatment for addiction. If this is not possible, use a new needle for each injection, avoid sharing any injection-related paraphernalia, and use alcohol pads before injecting to reduce risk.

References

Fowler VG Jr, Scheld WM, Bayer AS. Endocarditis and Intravascular Infections. In: Mandell GL, Bennett JE, Dolin R, eds. Principles and Practice of Infectious Diseases. 7th ed. Philadelphia, Pa: Elsevier Churchill Livingstone; 2009; chapt 77.

Karchmer AW. Infective Endocarditis. In: Libby P, Bonow RO, Mann DL, Zipes DP, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 8th ed. St. Louis, Mo: WB Saunders; 2007:chap 63.

Wilson W, Taubert KA, Gewitz M, et al. Prevention of infective endocarditis: guidelines from the American Heart Association: a guideline from the American Heart Association Rheumatic Fever, Endocarditis, and Kawasaki Disease Committee, Council on Cardiovascular Disease in the Young, and the Council on Clinical Cardiology, Council on Cardiovascular Surgery and Anesthesia, and the Quality of Care and Outcomes Research Interdisciplinary Working Group. Circulation. 2007 Oct 9;116(15):1736-54.

User Avatar

Aurelia Stracke

Lvl 10
2y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

11y ago

Infectious Diseases are usually caused by micro-organisms, such as bacteria, viruses, parasites, and fungi, and can transmit from one human to the next. This transmission can occur via several routes (i.e. through contact with infectious droplets, or saliva, or blood or semen) which depend on the type and site of infection, but the main characteristic is they transmit from one person to the next.

This answer is:
User Avatar

User Avatar

Wiki User

15y ago

An infectious disease is one which is spread by someone who has the disease coming into contact with people who don't... such as the 'flu, or TB. malaria is contracted from mosquito bites but is not passed from person to person, so it is not an infectious disease.

This answer is:
User Avatar

User Avatar

Wiki User

12y ago

Disregarding genetic dispositions for the purposes of the question, an infectious disease is one that can be passed to another person. Influenza is infectious, as are many of the sexually transmitted diseases. Diabetes, on the other hand, cannot be passed to another person and is therefore not infectious.

This answer is:
User Avatar

User Avatar

Wiki User

16y ago

this term means something is capable of being passed on. i.e airbourne diseases can be passed via coughing, and sneezing therefore are infectious.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Infectious
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Are mumps infectious or non infectious?

Mumps is an infectious disease.


Is sars infectious or non infectious?

SARS is an infectious disease.


Is blood preasure infectious or non infectious?

Non infectious.


Is osteoarthritis infectious?

No, it is not infectious.


Is jaundice infectious?

no it is not infectious .


What type of disease is aids non infectious or infectious and physical infectious?

Aids is a noninfectious disease.yes it is infectious because i am doing a little report on it so yes it is infectious


Is Mononucleosis infectious or noninfectious?

Infectious


Is chlamydia infectious or noninfectious?

infectious


Is diphtheria infectious or noninfectious?

It is infectious.


Is piles infectious?

Piles is not infectious.


Is lupus infectious?

is lupus infectious


Is colourblindness an infectious like influenza?

No It is not infectious