Safety Risk Factors Factors which can degrade crew performance Ships in Service Training Material Motion sickness 2009.

Safety Risk FactorsFactors which can degrade crew performance

Ships in Service Training Material

Motion sickness

2009

Motion sickness is a condition in which the fluid foundin the semicircular canals of the inner ears becomes

'stirred up', causing confusion betweenthe apparent perceived movement and

the actual movement.

Depending on the cause, it is also referred to asSea sickness, Car sickness, Air sickness,

or Space sickness.

Definition of Motion Sickness

Ships in Service Training Material A-M CHAUVEL

Motion sickness is the nausea, disorientation and fatigue that can be induced by head motion.

The first sign is usually pallor. Yawning, restlessness and

a cold sweat forming onthe upper lip or forehead.

As symptoms build, an upset stomach, fatigue or

drowsiness may occur.

Process of the Motion Sickness

Ships in Service Training Material A-M CHAUVEL

The final stages are characterized by nausea and vomiting.

- Behavioral

(avoidance, mental activities)

- Medication

(conventional, alternative)

- Stimulation

(alternative)

- Exercise

(habituation)

Treatment of Motion Sickness

Ships in Service Training Material A-M CHAUVEL

Four strategies to treat motion sickness :

Ships in Service Training Material A-M CHAUVEL

Stay toward the middleand look at the horizon.

Avoid ship travel if possible. Stay out of small tight places

where you can't see the horizon.

Please face leeward: So if you vomit, it gets blown

away from the ship, not into it.

Eat bland foods: crackers and bread, or bananas,

rice, applesauce and toast.

Treatment of Motion SicknessBehavioral strategies on Ship

PleaseNo ballasting

Most medications for motion sickness need to be taken at least

30 minutes before exposure to the activity that cause the problem.

Persons with glaucoma or prostate problems should not take

most of these medications unlessso advised by their doctor.

Ships in Service Training Material A-M CHAUVEL

Treatment of Motion SicknessMedication strategies

Ships in Service Training Material A-M CHAUVEL

Treatment of Motion SicknessMedication strategies

- Meclizine - Dimenhydrinate- Cyclizine- Haldol- Thorazine- Promethazine. - Diazepam- Scopolamine patches. - Zofran…

There are numerous "alternative" remedies for motion sickness.

The most popular are Ginger derivatives, such as

ginger tea, powdered ginger capsules and raw ginger between the teeth.

Ships in Service Training Material A-M CHAUVEL

Alternative MedicationsTreatment of Motion Sickness

Repeated exposure to the things that make one ill.

This may work if you cantolerate the process.

This method seems to be likely to cause a lot of

nausea itself.

Ships in Service Training Material A-M CHAUVEL

This is an exercise called

“Puma Method”.

Habituation ExerciseTreatment of Motion Sickness

Several devices that are advertised to reduce motion sickness through stimulation of various places on the body

(usually the wrist).

These include "Sea Bands" and "Relief Band“.

These devices are probably placebos.

Nevertheless some people have had success.

Ships in Service Training Material A-M CHAUVEL

StimulatorsTreatment of Motion Sickness

- Anti-vertigo and anti-nausea medications may provide temporary relief. - Avoid caffeine, smoking and alcohol. - Get regular sleep and eat properly. - Remain physically active. - Try to reduce stress which may aggravate vertigo and tinnitus.

Ships in Service Training Material A-M CHAUVEL

Treatment of Motion SicknessWhen you are Dizzy and your Ears Ring

In Closing