Respiratory system

When does HYPOXIA happens?

• Extreme hot weather

• Drowning

• Insufficient oxygen in body tissues

• Fainted

What are the injuries or conditions can cause HYPOXIA？

• choking

• anxiety

• rapid breathing

• ranging from suffocation

What are the recognitons of HYPOXIA ？

• Difficulty speaking

• Headache

• Grey blue skin

• None of the above

The causes of AIRWAY OBSTRUCTION are

• Inhalation of an object

• Internal swelling of throat

• Accidentally hit the head

• Hypoxia

State the aim to treat AIRWAY OBSTRUCTION （small letter）

Jackson is unable to breath because his mouth,nose and air passages are submerged below the surface of the liquid. What is this situation？

• hyperventilation

• hypoxia

• asthma

• drowning

A person is unconscious and not breathing after drowning？What should we do？

• Hit the person until he wakes up

• Give five initial rescue breath

• Start CPR

• Call 999

What to do if a casualty is having HYPERVENTILATION？

• Lead he/she to a quiet place

• Impatient

• Ask he/she to drink more water

• encourage he/she to seek medical advice

What are the recognition of HYPERVENTILATION？

• Grey blue skin

• Dizziness

• Fast pulse rate

• Unable to speak

-airways become narrowed

-difficulty breathing

-distress and anxiety

-coughing

What is this situation?

• drowning

• heatstroke

• asthma

• croup