{HEAD ~ A drop} in the cassette sealing bladder pressure can compromise {TAIL ~ the seal} of the dialysis pumping cassette relative to the dialysis instrument 
compromise
{ HEAD ~ A drop } in the cassette sealing bladder pressure can compromise { TAIL ~ the seal } of the dialysis pumping cassette relative to the dialysis instrument
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH