General Occupational Safety and Health Courses
(COMA)COMPRESSED AIR ILLNESS AND ITS PREVENTION

COMPRESSED AIR ILLNESS IS ONE OF THE NOTIFIABLE OCCUPATIONAL DISEASES AS PRESCRIBED IN THE SECOND SCHEDULE OF THE EMPLOYEES' COMPENSATION ORDINANCE. WORKING AT ABOVE OR BELOW ATMOSPHERIC PRESSURE MAY INDUCE ILLNESS DUE TO CHANGES IN PRESSURE. COMPRESSED-AIR WORK AND DIVING ARE PROMPT TO DEVELOP THE ILLNESS. WHEN WORKING IN A COMPRESSED AIR ENVIRONMENT, THE BODY TISSUES ABSORB NITROGEN IN PROPORTION TO THE SURROUNDING PRESSURE AND ACCUMULATE IN THE BLOODSTREAM. WHEN MOVING FROM A COMPRESSED AIR ENVIRONMENT TO OUTSIDE, THE NITROGEN BUBBLES ALREADY DISSOLVED IN THE BLOODSTREAM DURING COMPRESSION MAY BE SUDDENLY RELEASED WHEN THE DECOMPRESSION IS NOT CARRIED OUT CORRECTLY. THESE BUBBLES CAN CAUSE COMPRESSED AIR ILLNESS, RESULTING IN PAIN IN THE JOINTS. IN SOME SERIOUS CASES, BONES MAY BE DAMAGED OR EVENING SHOWING THE SIGNS AND SYMPTOMS OF COLLAPSE, SHORTNESS OF BREATH, NUMBNESS AND PAIN. THEREFORE, WORKERS PERFORMING COMPRESSED-AIR WORK SHOULD HAVE THE BASIC KNOWLEDGE IN THE PREVENTION OF COMPRESSED AIR ILLNESS IN ORDER TO PROTECT THEIR HEALTH AND MINIMIZE THE RISK AT WORK.

THIS COURSE AIMS AT PROVIDING STUDENTS WITH BASIC KNOWLEDGE OF COMPRESSED AIR ILLNESS AND THE PREVENTIVE MEASURES. THIS WILL ENHANCE THE SAFETY AWARENESS OF THE STUDENTS AND THUS REDUCE THE RISK OF COMPRESSED AIR ILLNESS.

Highlights:
1. INTRODUCTION ON COMPRESSED AIR ILLNESS, INCLUDING DECOMPRESSION SICKNESS, BAROTRAUMAS AND OSTEONECROSIS.
2. RELEVANT OCCUPATIONAL SAFETY AND HEALTH LEGISLATION
3. HAZARDS OF COMPRESSED AIR ILLNESS AND SOME EXAMPLES OF TRADES/PROCESSES/OCCUPATIONS WHICH MAY GIVE RISE TO THE DISEASE
4. SYMPTOMS, EMERGENCY PROCEDURES AND TREATMENT OF COMPRESSED AIR ILLNESS
5. PREVENTIVE MEASURES
Duration (Hour): 3.5 hours
Instructor:
Language: Cantonese supplemented with Chinese notes
Prerequisites: Ability to read and write in Chinese
Remark:
Reserve online (If online enrollment quota is full or you would like to arrange in-house training course,
please contact 2311 3322/3106 2000.)
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