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What is Which among the given options would produce most negative intrathoracic pressure? and explain in detail?
Under quiet breathing - At sta of inspiration normal ITP - -5 cm H2O At the end of inspiration normal ITP - -7 cm H2O Forceful breathing ITP: - * deep sigh or a yawn- 30 cm H2O First cry of a neonate, (first breath ITP) - -60cmH2O Muller's maneuver - 100cm H2O Max negative ITP It is counter pa of Valsalva maneuver Muller maneuver is forced inspiratory effo against a closed glottis.