This study will investigate the different tidal volume (Vt) strategies during a cardiac catheterization procedure to determine whether or not low or high Vt have an impact on cardiac output. Research question: While maintaining the same minute ventilation/PaCO2, does higher Vt (10 cc/kg)/lower rate vs. lower Vt (6 cc/kg)/higher rate (maintaining consistent PEEP) result in improved cardiac output?
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Cardiac Output
Timeframe: Measurements will occur at the 5-minute equilibration period into the ventilation strategy.