Shallow Water Blackout

Question 1

While conducting breath hold operations, oxygen PPO2 is higher at depth. During ascent the PPO2 decreases and increases the risk of hypoxia and unconsciousness

Answer 1

Shallow Water Blackout

Question 2

The biggest risk of shallow water black out is

Answer 2

Drowning

Question 3

Sx:
(1) Unconsciousness close to the surface or subsurface
(2) Hypoxia
(3) Subsequent drowning
(4) Cardiac/Respiratory arrest

Answer 3

Shallow water blackout

Question 4

Treatment of Shallow Water Blackout

Answer 4

(1) In water: Ventilation only, open airway, check breathing, provide 5 rescue breaths
(2) Do not attempt compressions in the water
(3) Rule out cardiac arrest once on the boat/shore
(4) If the patient is pulseless continue CPR utilizing ABCs (Airway, Breathing,
Circulation)
(5) Transport to the nearest emergency department