that's what i thought was that chest tubes were to never be clamped, but i found some literature that says it is ok to wean them off. the pt i took care of was clamped for about 5 hours on the day...
i was told the canister was changed on day shift. i assessed lung sounds, looked at the site, monitored o2, saw the suction was on, pt said he felt fine, i had rapid response double check to set up....