Medical Post Graduation | Surgery | Infections

Practice Medical Post Graduation | Surgery | Infections on Bissoy — browse topics below and open any question.

Questions

Acute osteomylitis

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Can lead to chronic osteomylitis if remains Untreated

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Is commonly caused by staphylococcus aureus

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Is common in diaphysis of long bones

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Is a self limiting condition

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Plain radiograph is not helpful in early diagnosis

In pyogenic osteomyelitis

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Organisms reach the bone by haematogenous spread & extension from a contiguous site.

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Develop in the long bones or vertebral bodies in otherwise healthy individuals.

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Staphylococcus aureus is responsible for 80-90% of cases.

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In the neonatal period

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E. coli & H. influenza are frequent pathogens

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Sequestrum is commonly seen in X-ray

Causative organisms of acute haematogenous osteomyelitis

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Staphylococcus aureus

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Streptococcus pneumoniae

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Salmonella

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Clostridium tetani

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Mycobacterium tuberculosis

The causal organisms of in acute osteomyelitis are

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Staphylococcus aureus

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Haemophylus influenzae

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Streptococcus pneumoniae

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Mycobacterium tuberculosis

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Dengue virus

Chronic pyogenic osteomyelitis

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Is a disease of metaphyseal end of long bones

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Staphylococcus aureus is the commonest organism

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Is usually manifested with chronic discharging sinus

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Sequestrum is usually visualized after 1 week

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Codman's triangle is an important radiological finding

Specific osteomyelitis is caused by

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Mycobacterium tuberculosis

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Staphylococcus aureus

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E. coli

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Treponema pallidum

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Actinomycosis

Causes of generalized osteoporosis are

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Scurvy

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Malabsorption syndrome

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Prolonged immobilization

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Hypothyroidism

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Obesity

Osteoporosis can be caused by

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Rheumatoid arthritis

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Corticosteroid

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Chronic diarrhoea

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Hypoparathyroidism

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Hypothyroidism

Osteoporosis

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Can cause vertebral compression fracture

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Can occur after prolonged immobilization

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Can be treated by bisphosphonate group of drugs

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Bone mass density is not helpful in treatment plan

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Is common in elderly male than in female

The conditions commonly produce osteoporosis

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Heavy exercise

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Cushingâs syndrome

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Multiple myeloma

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Myxedema

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Fluorosis

Regarding septic arthritis

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Commonest organism is Staphylococcus aureus

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Diagnosed by ultrasound guided aspiration of joint fluid.

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Treated by drainage of the joint cavity

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Common in middle age group

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Associated with bony ankylosis

Joint fluid examination yield most appropriate detection of crystal

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MSU

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CPPD

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Uric acid

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Triple phosphate

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Ca-oxalate

Avascular necrosis of head of femur can occur in

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Sickle cell anemia

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Caissonâs disease

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Intracapsular fracture neck

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Trochanteric fracture

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NSAID drugs

Avascular necrosis of head of the femur can occur in

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Subcapital fracture of neck of femur

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Sickle cell anaemia

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Central dislocation of the hip

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Chronic liver disease

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Intertrochanteric fracture

Causes of avascular necrosis of femur include

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Trauma

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Radiation injury

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Use of steroid

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Obesity

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Hypoproteinaemia

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