Download - 8 atelectasia
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Definicion ATELECTASIA
Expansión incompleta debido a la reducción del contenido de aire y pérdida de función en el área, segmento o lóbulo.
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Etiologia
Causa obstrutiva → Atelectasia de reabsorcion
Causa compresiva
Por contraccion
En placas
Pasiva
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Complicaciones
Distúrbio de V/Q
Shunt aumentado
Disturbios de difusion
Hipoxemia
↑ P retraccion
↓ complaince pulmonar
↑ T resp
↓ CRF
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Signos sintomas
↑ FRAusculta: estertores crepitantes/ MV ↓ o abolidohipoxemia→ ↑ FCRx: hipotransparencia, ↓ expansibilidad, desvio da traqueaPercusion: macidez
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Atelectasia obstructiva
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Atelectasia por compresion
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Atelectasia lobar