Whooping Cough Pertussis

Question 1

Etiology of whooping cough?

Answer 1

Organism Borditella pertussis or borditella parapertussis ( gram –ve coccobacilli)
Route of infection droplet infection usually <5 years
IP 1 to 2 weeks

Question 2

Why whooping cough is important?

Answer 2

Cause it’s a dangerous disease

Question 3

CP of whooping cough?

Answer 3

1. Catarrhal stage ( 1 to 2 wks)
2. Paroxysmal stage ( 4 to 6 up to 10wks)
3. Convalescence stage ( 1 to 2 wks)

Question 4

Most infectious stage of whooping cough?

Answer 4

Catarrhal stage

Question 5

Complication of whooping cough?

Answer 5

1. Convulsions (Brain damage, IcHge, tetany)
2. Mechanical (severe cough complications)
3. Malnutrition (anorexia vomiting faulty food restriction)
4. Respiratory Activate aten TB focus, bronchiectasis , atelectasis…)

Question 6

Prognosis of whooping cough?

Answer 6

Directly related to age highest mortility in infants <6months

Question 7

Diagnosis of whooping cough?

Answer 7

1. Clinical
2. Nasopharyngeal swab (microscopic exa, PCR, culture of Regan Lowe Charcoal agar)
3. Cbc (leukocytosis with ABSOLUTE LYMPHOCYTOSIS)

Question 8

Ttt of whooping cough?

Answer 8

1. Case
   a. General ( isolation, rest, symptomatic, feeding)
   b. antibiotic
2. Contacts
   a. <2 yrs immunoglobulin
   b. Antibiotic regardless of immunization state ± booster dose of DTaP
3. Prevention ( DPaT)

Question 9

DD of whooping cough ?

Answer 9

From other causes of chronic cough

1. Adenovirus infection
2. Chlamydia trachomatous infection
3. Bronchial asthma
4. Foreign body inhalation
5. Pulmonary TB
6. Mycoplasma pneumonia
7. Suppurative lung syndromes (cystic fibrosis, immunodeficiency)