Bacterial Endocarditis

Definition:

Bacterial endocarditis refers to the infection of the inner lining of the heart, particularly the valves and the inner chambers, caused by the invasion of bacteria into the bloodstream.

Subtypes:

  • Acute bacterial endocarditis
  • Subacute bacterial endocarditis

Symptoms:

  • Fever
  • Chills
  • Fatigue
  • Unexplained weight loss
  • Heart murmur
  • Joint pain
  • Shortness of breath
  • Swelling in the legs, feet, or abdomen
  • Blood in urine

Causes:

  • Bacteria entering the bloodstream from various sources:
    • Dental procedures
    • Genitourinary infections
    • Intravenous drug use
    • Wounds or injuries
  • Certain pre-existing heart conditions or abnormalities
  • Weakened immune system
  • Use of invasive medical devices

Diagnosis:

  • Physical examination
  • Blood tests to detect bacteria
  • Echocardiogram
  • Electrocardiogram
  • Cardiac MRI or CT scan

Treatment:

  • Administration of antibiotics
  • Surgical intervention to repair or replace damaged heart valves
  • Continuous monitoring of the infection and heart function

Complications:

  • Heart valve damage
  • Heart failure
  • Stroke
  • Organ damage
  • Blood clots
  • Septicemia (blood infection)
  • Death

Prevention:

  • Maintaining good oral hygiene
  • Prophylactic antibiotics before certain medical procedures for individuals at high risk
  • Avoiding intravenous drug use
  • Early and appropriate treatment of infections
  • Regular follow-up for individuals with heart conditions
  • Proper use and maintenance of medical devices