Left to Right Shunts and their Calculation Ghada ... - CardioEgypt.com
Left to Right Shunts and their Calculation Ghada ... - CardioEgypt.com
Left to Right Shunts and their Calculation Ghada ... - CardioEgypt.com
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3/18/2013<br />
Indica<strong>to</strong>r Dilution Method<br />
• More Sensitive for smaller<br />
shunts<br />
• Cannot localize the level of<br />
left <strong>to</strong> right shunt<br />
Oximetric Methods<br />
• Obtain O2 saturations<br />
in sequential<br />
chambers,<br />
identifying oxygen<br />
step-up<br />
• Insensitive for small<br />
shunts (< 1.3:1)<br />
Baim DS: Grossman’s Cardiac Catheterization, Angiography, <strong>and</strong> Intervention. 7 th Edition. Lippincot Williams<br />
<strong>and</strong> Wilkins, 2007.<br />
11
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