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DECOMPRESSION SICKNESS

(BEND,CAISSON DISEASE

,DYSBARISM)

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RELATIONSHIP OF PRESURE TO SEA

DEPTH

• When we go to deep into sea ,withever !!"t depth ,press#re in$reases% one at&osphere

• A $o'#&n o" seawater !! "t deepe(erts the sa&e press#re at its%otto& as the press#re o" the

at&osphere a%ove the sea)• At !!"t depth o" sea, a person is

e(posed to * at&ospheri$ press#re

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EFFE+T OF HIH PARTIAL

PRESSURES ON -OD.

• NITROEN NAR+OSIS AT HIH

NITROEN PRESSURES

• O/.EN TO/I+IT. AT HIH

PRESSURE

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DE+O0PRESSION SI+1NESS

• I" a diver re&ains %eneath sea "or a'ong ti&e ,'arge a&o#nt o" nitrogen%e$o&es disso'ved in his %od 2#ids)

When the diver s#dden' $o&es %a$3to sea s#r"a$e , nitrogen %#%%'esdeve'op in his I+F, E+F that da&age

di4erent areas o" %od espe$ia''%rain )

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+LINI+AL FEATURES

• Lo$a' pain in 'egs or ar&s

• Di55iness

•

Para'sis• +ho3es or shortness o" %reath

• E(tre&e "atig#e and pain

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0anage&ent

• RE+O0PRESSION OF DI6ERS INPRESSURE TENTS