Occupational_Lect 20

Question 1

Distinguish the types of occupational asthma based on onset of symptoms, symptoms at work, and need to leave job

Answer 1

Immunologic - 1-2 yrs for exposure, worse at work, leave job
Irritant Induced - 24hrs onset, no change at work, leave job
Work Aggravated - preexisting, worse at work, decrease exposure

Question 2

Complications and Treat of Silicosis?

Answer 2

-Mixed Obstructive/Restrictive deficit
Complications
Mycobact Dz
Immune mediation
Bronchosis/Airflow Obstruct
Lung Cancer

Tx
Trial of corticosteroids
Whole lung salvage
transplant
prevention

Question 3

Occupational Lung Dz results in which kind of Respiratory Mechanics changes?

Answer 3

↑Airway resistance d/t deposition of materials

↓Lung compliance d/t inflamm responses leading to fibrosis

Question 4

Treatments for occupational dz?

Answer 4

Avoid Antigens, corticosteroids, O2, anticoags, vasodilate, bronchodilators, transplant