tonoscillograph

to·nos·cil·lo·graph

(tō-nos'i-lō-graf),
An instrument that produces graphic records of arterial and capillary pressures as well as of individual pulse characters.
[tono- + L. oscillo, to swing, + G. graphō, to write]

tonoscillograph

[ton′əsil′əgraf′]
an apparatus that records arterial and capillary pressures with a corresponding pulse tracing.
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