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Otopathies dysbariques / Mécanismes lésionnels<br />

• Lésions de l’oreille moyenne:<br />

– Gradient de P > 80 mb :<br />

• Lésions muqueuses : oedème, congestion, hyperhémie<br />

• Epanchements séreux exsudatifs ou hémorragiques qui<br />

diminuent le gradient de pression<br />

– Gradient de P > 400 mb :<br />

• Rupture tympanique : rétablit l’équipression

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