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Examples of CardioQ waveforms

Created: 1/12/2005
 


 would like to thank Dr Robert Kong, Consultant Cardiac Anaesthetist, Sussex Cardiac Centre, Royal Sussex County Hospital for providing these images.

Normovolaemia

Whip crack sound

Wide bases – within normal ranges

Tall peaks – adequate Peak Velocity for age

All parameters appear to be within the normal limits
Hypovolaemia

Narrow waveform thus low FTC

Good PV

Decreased CO,
SV & borderline high HR
Hypovolaemia
following fluid challenge 200mls

Audible change;
 
Widened bases – FTc improving

Good peaks – PV within range
CO, SV improving
Hypovolaemia
following fluid challenge 600mls

Compensated hypovolaemia

Chihuahua sound;

Narrow bases – low FTc;

Diminished peaks – low PV for age;

Decreased CO, SV;

Increased HR;
Increased afterload

Characteristic sound

Narrow bases – low FTc

Low peaks – low PV for age

Decreased CO & SV

Unchanged heart rate
Intracardiac 

Correct depth, rotate tip

Venous

Correct depth, rotate tip

Aortic Stenosis before surgery

Aortic Stenosis- After AVR

Cardiopulmonary bypass pulsatile flow

Aortic Regurgitation

Hyper-Dynamic

Wall Thump


ArticleDate:20051201
SiteSection: Article
 
   
    
                                            
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