rheumatic heart disease
TRANSCRIPT
Rheumatic Heart Disease
Nature and Description
complication of Rheumatic fever cardiac and valvular manifestation of Rheumatic feverRefers to the chronic heart valve damage that leads to heart failureIts incidence has been greatly reduced by widespread use of antibiotics effective against the streptococcal bacterium that causes Rheumatic fever
Nature and Description
Includes carditis (myocarditis, endocarditis, & pericarditis) during the early acute phase and chronic valve disease in the later phaseRheumatic fever & Rheumatic Heart disease afflict about 1,800,000 AmericansAffects about half the people who have Rheumatic fever with carditis Rheumatic Heart disease is diagnosed 10 -20 years after being “triggered” by acute rheumatic fever
Definition of Terms
Rheumatism is a medical term once frequently used to describe disorders associated with many different parts of the body.
might apply to the symptoms of numerous conditions that can cause pain and/or weakness.
Definition of Terms
The group A streptococcus bacterium (Streptococcus pyogenes, or GAS) is a form of β-hemolytic Streptococcus bacteria responsible for most cases of streptococcal illness. Other types (B, C, D, and G) may also cause infection. Several virulence factors contribute to the pathogenesis of GAS, such as M protein, hemolysins, and extracellular enzymes.
Pathophysiology
GAS (group- A streptococcus)
Rheumatic Fever
Often produces inflammation of heart
(carditis)
Damage heart valves (MITRAL VALVE)
Mitral Valve Disease
Laden with heavy calcium deposits
Predisposing Factors :
—AGE – 90% occur between the ages of 5 – 15 y.o. - Also the AGED, severe cardiac disability and death. —SOCIOECONOMIC FACTORS – slum, city dweller more than the farmer. — GENETICS – may appear to develop in household members.Anitgens of GAS bind to
receptors
Antibodies may attack healthy cells
Aotic valve stenosis or regurgitation in both
Prevent the valve from closing completely
Failure of the valve to open completely
Mitral regurgitation (leaky valve)
Mitral stenosis
Atrial Fibrillation
Increase workload on the heart muscle
Heart Failure
Higher pressure must be generated to
propel blood
Regurgitation of blood
Signs and Symptoms
Pleuritic chest pain refers to pain arising from pleural irritation
characterically sharp in nature, well localised and exacerbated by inspiration, and is thus
a form of somatic pain,
Dyspnea Tachypnea Fatigue Fainting attacks Palpitations Nonproductive cough Bibasilar crackles & edema due to heart
failure
Diagnostics
1.) Blood testDetermine Hemoglobin level and
Hematocrit ( may show slight anemia due to suppression of erythropoiesis during inflammation and elevated ESR)
Determine WBC (may be elevated)Cardiac enzyme may be increased in
severe carditis
Diagnostics
2.) Chest X-rays may show normal heart size or cardiomegaly, pericardial effusion, or heart failure
3.) Echocardiography provides various findings
It can detect valvular damage and preicardial effusion
It can measure chamber sizeIt can provide information on
ventricular function
Treatment
1.) Corticosteroids for carditis or if salicylates fail to relieve pain and inflammation
2.) Strict bed rest for about 5 weeks for patients with active carditis
3.) Bed rest, sodium restriction, ACE inhibitors, digoxin, and diuretics to treat heart failure
4.) Corrective surgery, such as commissurotomy (separation of adhered valves or surrounding tissues), valvuplasty, or valve replacement for severe mitral or aortic valvular dysfunction that causes persistent heart failure
COMMISSUROTOMY
5.) Coumadin rheumatic mitral disease and atrial fibrillation
Drug Study
1.) Corticosteroids2.) ACE inhibitors3.) Digoxin – increase contractility4.) Diuretics5.) Coumadin
Corticosteroids
Corticosteroids, also called glucocorticoids or just "steroids", are powerful drugs that can quickly reduce inflammation and pain.
ACE Inhibitors
Angiotensin II is a very potent chemical that causes the muscles surrounding blood vessels to contract, thereby narrowing the vessels. The narrowing of the vessels increases the pressure within the vessels causing high blood pressure (hypertension).
Digoxin
Digoxin otherwise known as Digitalis is a cardiac glycoside derived from Digitalis lanata. It is widely used in the treatment of several heart conditions like atrial fibrillation, atrial flutter, and at times heart failure.
Diuretics
GENERIC NAME: furosemide BRAND NAME: Lasix
DRUG CLASS AND MECHANISM: Furosemide is a potent diuretic (water pill) that is used to eliminate water and salt from the body. In the kidneys, salt (composed of sodium and chloride), water, and other small molecules normally are filtered out of the blood and into the tubules of the kidney.
Coumadin
GENERIC NAME: warfarin BRAND NAME: Coumadin
DRUG CLASS AND MECHANISM: Coumadin is an oral anticoagulant that inhibits the synthesis of clotting factors, thus preventing blood clot formation.
Nursing Considerations:
Teach patient about the disease and the need for prolonged antibiotic therapy promote compliance with the prescribed therapyCheck for antibiotic allergies, especially to penicillins and cephalosporins, before administering drugs from these classesInstruct the patient and his family to report early signs of heart failure, such as dyspnea and a hacking, nonproductive cough
It is important to have regular monitoring of the condition of the heart valves ad musclesEmphasize that it should be under the watchful eye of an experienced cardiologists
Stress the need for bed rest during the acute phase and suggest appropriate, physically undemanding diversionsPromote good dental hygiene to prevent infection
Prevention
1. For client’s with Rheumatic fever. should be on preventive, or
prophylactic, therapy with antibiotics to prevent recurrence
Should have physical examination annually to monitor heart size
2. Echocardiogram Confirm presence or absence of heart
valve damage
Echocardiogram
Update:
Vitamin K2Formerly “Activator X”Dr. Weston Price identified this
compound he called Activator X in butterfat, organs and fat of animals consuming rapidly growing green grass, and in certain sea foods such as fish eggs. Price died before the factor was finally identified.
continuation
Activator X, now known as vitamin K2, does protect against tooth decay, supports growth and development and is involved in normal reproduction; it protects against calcification of the arteries that leads to heart disease, and is a major component of the brain.
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