Diving Disorders

Question 1

Hypoxia Causes

Answer 1

• Low pp of o2 in breathing gas supply
• Blockage of fresh air
• Blockage of air passages
• Collapse of lung due to pneumothorax
• Paralysis of respiration muscles from spinal cord injury

Question 2

Hypoxia Systems

Answer 2

C - Cyanosis

I - Increased pule and B/P

L - Lack of concentration

L - Lack of mucle control

I - Inability to preform difficult task

W - Weakness

L - Los of consciousness

D - Drowsiness

Question 3

Hypercapnia Causes

Answer 3

• Excess co2 levels due to improper placement of compressor inlet
• Inadequate ventilation of surface-supplied helmets
• Inadequate lung ventilation in realtions to exercise level (skip breathing)

Question 4

Hypercapnia Systems

Answer 4

(I Child)

I- Increaded respirations and Heart

C- Confusion

H- Headache

I- Inability to concentrate

L- Loss of consciousness

D- Drowsiness

Question 5

Carbon Monoxide Poisoning Causes

Answer 5

• Compressor’s intake too close to exhaust
• Manfuntion of a oil lubricated compressor

Question 6

Carbon Monoxide Poisoning Systems

Answer 6

TINY- Tightness across the forhead

HEADHUNTERS- Headache

PRACTICE- Pounding at the temples

NINJA- Nausea

CHICKEN- Confusion/ Cherry red lips and nails

VOODOO- Vomiting

Question 7

Barotrauma Prerequisites

Answer 7

G- Gas filled spaces

R- Rigid walls

A- Ambient pressure change

V- Vascular penetration

E- Enclosed space

Question 8

4 types of Pulmonary Overinflation Syndrome (POIS)

Answer 8

• Arterial Gas Embolism (AGE)
• Mediastinal Emphysema
• Subcutaneous Emphysema
• Pneumothorax (Tension or Simple)

Question 9

Oxygen Toxicity Symptoms

Answer 9

V- Visual disturbances

E- Ears, ringing, roaring

N- Nausea

T- Twitching, usually facial muscles

I- Irritablitiy

D- Dizziness

T- Tingling, usually in extremities

C- Convulsions