Reports, Volume 8, Issue 1
2025 March - 35 articles
Cover Story: We present the case of a 69-year-old with severe pulmonary hypertension and persistent hypoxia of undetermined etiology with an intracardiac right-to-left shunt from an atrial septal defect. Pulmonary vasodilator therapy initially proved ineffective for the treatment of this patient's hypoxia until a bubble study confirmed the shunt. We describe our diagnostic approach, hemodynamic findings, and clinical intervention, with the patient ultimately stabilizing after the continuation of prostacyclin therapy and adjunctive vasopressor support. The need to consider intracardiac shunting in the evaluation of persistent hypoxia is emphasized, as its management has implications in pulmonary hypertension. View this paper
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