Page 962 - Cardiac Nursing

,7"+ !PP!?P QXD !- 0AGE !PTARA )NC

2!0 TRACING FROM PATIENT ON MECHANICAL VENTILATION 4HE 2!0 IS A MEAN PRESSURE BISECT AN END EXPIRATORY WAVEFORM SO THAT THE AREAS ABOVE AND BELOW ARE EQUAL 2!0

Example )NTERPRETATION MM (G
, / " Ê" Ê, /Ê /, Ê Ê*1 " ,9Ê ,/ ,9Ê*, --1, -Ê/"Ê Ê -

Inspiration

v 02
c a End-expiration $OWNSLOPE OF THE A WAVE !FTER THE 123 FOLLOWS THE A WAVE $OWNSLOPE OF THE V WAVE
ECG Findings a c v n MSEC AFTER 0 WAVE BY A TIME INTERVAL 0EAK OF THE 4 WAVE

Mechanical Event 2! SYSTOLE 2! RELAXATION 4RICUSPID VALVE CLOSURE 2! FILLING AGAINST CLOSED TRICUSPID ALVE 2! EMPTYING WITH OPENING OF TRICUSPID VALVE ONSET OF 26 DIASTOLE

30
20 10 0
Pressures/waveforms 2! 0RESSURE n MM (G

** 8Ê A WAVE X DESCENT C WAVE V WAVE Y DESCENT