Indices
Ppeak – Maximum Peak Pressure
Ppeak is the maximum pressure achieved during the test.
MEP - Maximal Expiratory Pressure
MEP is the highest average expiratory pressure achieved over one second.
MIP – Maximal Inspiratory Pressure
MIP is the highest average inspiratory pressure achieved over one second.
MRPD – Maximum Rate of Pressure Development
MRPD is the highest rate of change of pressure on the upward stroke
(before the one second average is achieved) of either a MIP or MEP test.
MRR – Maximum Relaxation Rate
MRR is the maximum rate of change of pressure on the downward stroke
(after the one second average) of either a MIP or MEP test, divided by the
one second sustainable pressure value (the MIP or MEP value
respectively)
SNIP - Sniff nasal inspiratory pressure
SNIP is the peak pressure obtained from a maximum sniff nasal
manoeuvre
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