18 Questions
What is the probable cause of rheumatic fever according to current opinion?
Infectious, and apparently closely associated with the invasion of the body by hemolytic streptococci.
What is the relationship between rheumatic fever and chorea?
Chorea is rheumatic fever plus a further complication or involvement of the brain.
What is the estimated prevalence of rheumatic heart disease in a population of 100,000,000 people?
840,000 cases
What is the consequence of nearly all cases of rheumatic fever in terms of the heart valves?
Some degree of endocarditis or scarring on the heart valves.
What population group is more likely to be affected by rheumatic fever?
The poor and undernourished
What is the increased risk of subacute bacterial endocarditis in patients with a history of rheumatic fever?
About 1 in every 100 patients
What is the result of emboli settling in various organs such as the kidneys?
Albuminuria and transient hematuria
What is the most common cause of death in patients with subacute bacterial endocarditis?
Complete exhaustion of the patient
What is the condition that affects people with damaged heart valves, usually as a result of rheumatic fever?
Subacute bacterial endocarditis
What percentage of people with subacute bacterial endocarditis die from the disease?
One-third
What is the condition characterized by progressive structural changes in the heart as a result of rheumatic fever?
Rheumatic heart disease
What conditions should be treated in the same manner as rheumatic heart disease?
Congenital heart disease, arteriosclerosis, or syphilitic involvement of the endocardium
What age group is most susceptible to rheumatic heart disease?
Children between 4 and 30 years of age, with the peak between 7 and 10 years.
Which part of the heart is most affected by rheumatic heart disease?
The endocardium, which develops granulomatous formations.
What is the result of granulomatous formations in the endocardium?
Scar formation occurs when healing takes place.
Why is prophylactic sulfonamide therapy indicated for people with pre-existing valvular heart disease?
To decrease the possibility of the development of subacute bacterial endocarditis.
What is the primary site of bacterial localization in rheumatic heart disease?
The areas of scar formation, particularly along the heart valves.
What is the ultimate goal of prophylactic sulfonamide therapy in patients with pre-existing valvular heart disease?
To decrease the incidence of bacteremia following oral surgical procedures.
Learn about the causes and symptoms of rheumatic fever, including its association with hemolytic streptococci, fever, toxicity, polyarthritis, and cardiovascular lesions. Understand how chorea, or Saint Vitus's dance, fits into the symptom complex.
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