Medical Instrumentation: Application and Design |
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Page 280
... esophageal electrode and Wilson's central terminal gives a posterior lead . Top view V1 V2 V3 V4 Vs R V6 - L Vs V6 V1 ( b ) Figure 6.6 ( a ) Positions of precordial leads on chest wall . ( b ) Directions of precordial lead vectors in ...
... esophageal electrode and Wilson's central terminal gives a posterior lead . Top view V1 V2 V3 V4 Vs R V6 - L Vs V6 V1 ( b ) Figure 6.6 ( a ) Positions of precordial leads on chest wall . ( b ) Directions of precordial lead vectors in ...
Page 470
... esophageal balloon is measured relative to pressure at the airway opening . This pressure difference is used as an esti- mate of transpulmonary pressure ( Section 9.2 ) . The lung volume corresponding to each measurement is obtained by ...
... esophageal balloon is measured relative to pressure at the airway opening . This pressure difference is used as an esti- mate of transpulmonary pressure ( Section 9.2 ) . The lung volume corresponding to each measurement is obtained by ...
Page 471
... esophageal balloon is very unpleasant for the subject . Instead , the observation , made very early in the history of the study of ventilatory mechanics , that TLC , RV , and the difference between them , VC , are reproducible and ...
... esophageal balloon is very unpleasant for the subject . Instead , the observation , made very early in the history of the study of ventilatory mechanics , that TLC , RV , and the difference between them , VC , are reproducible and ...
Contents
Basic concepts of instrumentation | 1 |
Chapter | 49 |
Chapter three | 103 |
Copyright | |
12 other sections not shown
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Medical Instrumentation: Application and Design John G. Webster,John William Clark Snippet view - 1978 |
Common terms and phrases
action potential activity airway amplifier amplitude applied arterial biopotential blood calibration capacitance capacitor cardiac cardiac pacemaker cardiotachometer catheter cause cell changes characteristics clinical components connected constant cortex curve defibrillator detected detector determine devices display elec electrical electrocardiograph electrode electrolyte equation equivalent circuit fibers filter flow flowmeter frequency response function ground half-cell potential heart heart sounds increases input impedance instrument interface layer lead wire linear lung volume measured mechanical membrane metal microshock monitor muscle nerve noise normal op amp operation output pacemaker patient phase plethysmograph pneumotachometer pressure produce pulmonary pulse R₁ radiation range recording resistance resistor respiratory result sample scanning Section sensitivity shown in Figure shows signal skin spirometer static stimulation surface switch technique temperature thermistor tion tissue transducer transmitted trode tube v₁ velocity ventricles ventricular voltage wave waveform wavelength zero ΚΩ