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Showing posts with label sorethroat. Show all posts
Showing posts with label sorethroat. Show all posts

Tuesday, August 19, 2008

A Simple Guide to Infectious Mononucleosis

A Simple Guide to Infectious Mononucleosis
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What is Infectious Mononucleosis?
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Infectious Mononucleosis is an infectious disease which typically cause swelling of the lymph nodes of neck, sore throat and fever.

What is the cause of Infectious Mononucleosis?
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The cause of Infectious Mononucleosis is the Epstein Barr virus which can be spread by droplets and kissing.

It is more common in young adults.

The incubation period (from contact to illness) is 10-15 days.

It is usually sporadic but may be epidemic.


What are Signs and symptoms of Infectious Mononucleosis?
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The triad of symptoms which are common to Infectious Mononucleosis are:

1.Neck and axillary lymph nodes are enlarged

2.Fever with headache

3.sore throat with sometimes extensive tonsillar exudates and swelling

Other symptoms are:

4.fatigue

5.bodyaches

6.jaundice(rare)

Signs:

1.Throat is red and inflamed with enlarged tonsils

2.Pinpoint petechiae at junction of hard and soft palate

3.Enlarged lymph nodes are felt below the jaw and neck region; sometimes in the axillary region

4.Swelling of lacrimal glands and eyelids

5.Spleen is enlarged in 50% of cases

6.Generalized maculopapular rash may occur

Onset is usually insidious with mild fever which may becomes worse and lasts for 2 to 21 days.

Disease usually lasts for 2-3 weeks.

How is the diagnosis of Infectious Mononucleosis made?
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1.Classical symptoms and signs as above especially lymph nodes enlargement.

2.blood tests (complete blood count, ESR, liver function tests and blood culture).
Blood count usually shows more than 10% atypical mononuclear cells.

3.Blood for Epstein Barr antibody

3.X-rays of chest and abdomen

4.CT Scan or ultrasound of the abdomen to detect presence of other lymph nodes and enlarged spleen.

What are the complications of Infectious Mononucleosis?
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1.Obstruction to airway from enlarged lymph nodes

2.thrombopenic purpura

3.myocarditis

4.pericarditis

5.lymphocytic meningitis

6.encephalitis

7.polyneuritis

8.hepatitis

What is the treatment of Infectious Mononucleosis?
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1.Bed rest in isolation ward

2.Adequate fluids

3.Antipyretic medicines such as paracetamol for fever

3.corticosteroids is useful to reduce complications such as upper airway obstruction and severe hepatitis

4.High-flow oxygen and tracheostomy in airway obstruction

What is the prognosis of Infectious Mononucleosis?
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Prognosis of Infectious Mononucleosis is generally good.

Epstein Barr infections has been associated with nasopharyngeal cancer.

What are the Preventive measures taken for Infectious Mononucleosis?
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Isolation of cases at home or in hospital.

Avoid contacts.









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