Streptococcus Pneumonia :Clinical Manifestations , Diagnosis and treatment

Ans. is All 

A i.e. TB; B i.e. Staphylococcus; C i.e. Streptococcus

Answer is C (Stretptococcus pneumonia):

‘Streptococcus pneumonia or pneumococcus is the most common cause of community acquired acute pneumonia –Robbins 7th/748

Lobar pneumonia refers to an acute bacterial infection that results in consolidation of a large portion of a lobe or an entire lobe. Streptococcus pneumonia produces a picture of lobar pneumonia.

Answer is C (Streptococcus pneumoniae):

Aerobic and Anaerobic streptococci are the most common aetiological agents for subdural ernphyema.

influenzae is the most common causative organism in Children, and not in Adults.

Subdural Empyema is a collection of pus in the space between he dura and arachnoid.

In most cases a single organism is responsible, but many cultures are sterile because patients are often receiving anti­microbial therapy.

The major pathogens include

1. Aerobic and anaerobic Streptococci (about 50%)
2. Staph (about 12-16%)
3. Aerobic gram –^ye bacilli (3-10%)
4. Other anaerobes (5%)

Ans. B: Streptococcus pneumoniae

Streptococcus pneumonia is the most common cause of community-acquired acute pneumonia.

Gram-negative rods (Enterobacteriaceae and Pseudomonas species) and S.aureus are the most common isolates in hospital­acquuired pneumonia; unlike community-acquired pneumonias, S.pneumoniae is not a major pathogen in hospital­acquuired pneumonia.

Haemophilus influenzae, Chlamydia pneumoniae, and Mycobacterium pneumoniae are the other common bacterial causes.

Common viral causes include respiratory syncytial virus (RSV), adenoviruses, influenza A and B viruses, metapneumovirus, and parainfluenza viruses.

Ans. C: Streptococcus pnuemoniae

The most common organism that causes lobar pneumonia is Streptococcus pneumoniae, also called the pneumococcus. Mycobacterium tuberculosis, the tubercle bacillus, may also cause lobar pneumonia if pulmonary tuberculosis is not treated promptly

Most common organism causing acute suppurative otitis media in infants & young children are streptococcus pneumonia (30%), Haemophilus influenza (20%) and Moraxella catarrhalis (12%).

Ans. D: Streptococcus pneumoniae

N. meningitidis accounts for nearly 25% of the cases. Staph.aureus and coagulase negative staphylococci are important causes of meningitis that occurs following neurosurgical procedures.

Ans. is ‘a’ i.e., Otitis media

Important infections caused by streptococcus pneumoniae

The source of human infection is the respiratory tract of carriers and less often, of patients. Pneumococci occur in the throat of approximately half of the population sampled at any time.

Str. pneumoniae is the most frequent cause of pneumonia.

The commonest pneumococcal infections are otitis media and sinusitis.

Meningitis is the most serious of pneumococcal infections.

Empyema is the most common complication of pneumococcal pneumonia.