Chapter-003 Infective Endocarditis

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    Infectious Diseases

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    Infective Endocarditis

    BRIEF HISTORY

    A 60-year-old woman was admitted through the outpatient clinicwith a four-month history of weight loss, loss of appetite and feverwith rigors and night sweats. She also complained of increasedbreathlessness and tiny reddish lesions on the palms and pulp ofthe fingers which were painful. She also had some draggingsensation in the left hypochondrium. In the past, she was operatedfor mitral valve stenosis by valvotomy. She was a knownhypertensive and diabetic.

    IMPORTANT CLUES ON CLINICAL EXAMINATION

    On examination, she looked pale and had a temperature of 100F.She was clubbed and there were a few streaks in her nails. Pulsewas 108 per minute regular, and all the pulses were palpable. Heartsounds were normal, but there was a pan-systolic murmur at mitralarea which radiated towards left axilla. Chest was clear butabdominal examination revealed splenomegaly. Neurologicalexamination was normal.

    INVESTIGATIONS

    Investigations included:

    Hb: 8.4 g/dl Urine: traces of albumin(normocytic and a fewnormochromic) RBCs per high

    power field seen.WBC: 16.6 109/l Chest X-ray: mitralization of the

    P:71% L:21% left border of heartM:5% E:3% with prominent

    Contd...

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    8 Cardiology

    Contd...

    pulmonary bloodESR: 95 mm in 1st hour vessels.Sodium: 140 mmol/lPotassium: 4.3 mmol/lBicarbonate: 25 mmol/lChloride: 110 mmol/l

    QUESTIONS

    Q.1. What is the diagnosis?

    Q.2. What further investigations would you ask for?Q.3. What possible organisms are involved?

    Q.4. What do you know in reference to Libman Sacks?

    Q.5. What are the vasculitic lesions of this disorder?

    Q.6. What is the treatment?

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