Acute Hypoxic and Refractory Respiratory Failure Induced by an Underlying PFO: An Unusual Case of Platypnea Orthodeoxia and Transient Complication after Transcatheter Closure

<div>Agitated saline contrast study showing (a) 4 chambers prior contrast infusion. (b) Agitated saline entering the RA. (c) and (d)<i> Arrows</i> demonstrating right-to-left shunt into the LA and LV.<i> RV</i>: right ventricle;<i> LV</i>: left ventricle;<i> RA</i>: right atria;<i> LA</i>: left atria. Arrows throughout indicate direction of the agitated saline flow.</div>

Case Reports in Critical Care

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Figure 1: Acute Hypoxic and Refractory Respiratory Failure Induced by an Underlying PFO: An Unusual Case of Platypnea Orthodeoxia and Transient Complication after Transcatheter Closure 

Figure 1 | Acute Hypoxic and Refractory Respiratory Failure Induced by an Underlying PFO: An Unusual Case of Platypnea Orthodeoxia and Transient Complication after Transcatheter Closure 